lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6

Browse Source 
* 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6: (62 commits)
  [XFS] add __init/__exit mark to specific init/cleanup functions
  [XFS] Fix oops in xfs_file_readdir()
  [XFS] kill xfs_root
  [XFS] keep i_nlink updated and use proper accessors
  [XFS] stop updating inode->i_blocks
  [XFS] Make xfs_ail_check check less by default
  [XFS] Move AIL pushing into it's own thread
  [XFS] use generic_permission
  [XFS] stop re-checking permissions in xfs_swapext
  [XFS] clean up xfs_swapext
  [XFS] remove permission check from xfs_change_file_space
  [XFS] prevent panic during log recovery due to bogus op_hdr length
  [XFS] Cleanup various fid related bits:
  [XFS] Fix xfs_lowbit64
  [XFS] Remove CFORK macros and use code directly in IFORK and DFORK macros.
  [XFS] kill superflous buffer locking (2nd attempt)
  [XFS] Use kernel-supplied "roundup_pow_of_two" for simplicity
  [XFS] Remove the BPCSHIFT and NB* based macros from XFS.
  [XFS] Remove bogus assert
  [XFS] optimize XFS_IS_REALTIME_INODE w/o realtime config
  ...
This commit is contained in:
Linus Torvalds
2008-02-07 19:12:12 -08:00
parent a13ff0bb3f de2eeea609
commit 0b61a2ba5d
85 changed files with 2298 additions and 3179 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
fs/xfs/linux-2.6/spin.h
View File

@@ -1,45 +0,0 @@
/*
* Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __XFS_SUPPORT_SPIN_H__
#define __XFS_SUPPORT_SPIN_H__
#include <linux/sched.h> /* preempt needs this */
#include <linux/spinlock.h>
/*
* Map lock_t from IRIX to Linux spinlocks.
*
* We do not make use of lock_t from interrupt context, so we do not
* have to worry about disabling interrupts at all (unlike IRIX).
*/
typedef spinlock_t lock_t;
#define SPLDECL(s) unsigned long s
#ifndef DEFINE_SPINLOCK
#define DEFINE_SPINLOCK(s) spinlock_t s = SPIN_LOCK_UNLOCKED
#endif
#define spinlock_init(lock, name) spin_lock_init(lock)
#define spinlock_destroy(lock)
#define mutex_spinlock(lock) ({ spin_lock(lock); 0; })
#define mutex_spinunlock(lock, s) do { spin_unlock(lock); (void)s; } while (0)
#define nested_spinlock(lock) spin_lock(lock)
#define nested_spinunlock(lock) spin_unlock(lock)
#endif /* __XFS_SUPPORT_SPIN_H__ */

43
fs/xfs/linux-2.6/xfs_aops.c
View File

@@ -107,6 +107,18 @@ xfs_page_trace(
#define xfs_page_trace(tag, inode, page, pgoff)
#endif
STATIC struct block_device *
xfs_find_bdev_for_inode(
struct xfs_inode *ip)
{
struct xfs_mount *mp = ip->i_mount;
if (XFS_IS_REALTIME_INODE(ip))
return mp->m_rtdev_targp->bt_bdev;
else
return mp->m_ddev_targp->bt_bdev;
}
/*
* Schedule IO completion handling on a xfsdatad if this was
* the final hold on this ioend. If we are asked to wait,
@@ -151,7 +163,7 @@ xfs_destroy_ioend(
/*
* Update on-disk file size now that data has been written to disk.
* The current in-memory file size is i_size. If a write is beyond
* eof io_new_size will be the intended file size until i_size is
* eof i_new_size will be the intended file size until i_size is
* updated. If this write does not extend all the way to the valid
* file size then restrict this update to the end of the write.
*/
@@ -173,7 +185,7 @@ xfs_setfilesize(
xfs_ilock(ip, XFS_ILOCK_EXCL);
isize = MAX(ip->i_size, ip->i_iocore.io_new_size);
isize = MAX(ip->i_size, ip->i_new_size);
isize = MIN(isize, bsize);
if (ip->i_d.di_size < isize) {
@@ -226,12 +238,13 @@ xfs_end_bio_unwritten(
{
xfs_ioend_t *ioend =
container_of(work, xfs_ioend_t, io_work);
struct xfs_inode *ip = XFS_I(ioend->io_inode);
xfs_off_t offset = ioend->io_offset;
size_t size = ioend->io_size;
if (likely(!ioend->io_error)) {
xfs_bmap(XFS_I(ioend->io_inode), offset, size,
BMAPI_UNWRITTEN, NULL, NULL);
if (!XFS_FORCED_SHUTDOWN(ip->i_mount))
xfs_iomap_write_unwritten(ip, offset, size);
xfs_setfilesize(ioend);
}
xfs_destroy_ioend(ioend);
@@ -304,7 +317,7 @@ xfs_map_blocks(
xfs_inode_t *ip = XFS_I(inode);
int error, nmaps = 1;
error = xfs_bmap(ip, offset, count,
error = xfs_iomap(ip, offset, count,
flags, mapp, &nmaps);
if (!error && (flags & (BMAPI_WRITE|BMAPI_ALLOCATE)))
xfs_iflags_set(ip, XFS_IMODIFIED);
@@ -1323,7 +1336,7 @@ __xfs_get_blocks(
offset = (xfs_off_t)iblock << inode->i_blkbits;
ASSERT(bh_result->b_size >= (1 << inode->i_blkbits));
size = bh_result->b_size;
error = xfs_bmap(XFS_I(inode), offset, size,
error = xfs_iomap(XFS_I(inode), offset, size,
create ? flags : BMAPI_READ, &iomap, &niomap);
if (error)
return -error;
@@ -1471,28 +1484,21 @@ xfs_vm_direct_IO(
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
xfs_iomap_t iomap;
int maps = 1;
int error;
struct block_device *bdev;
ssize_t ret;
error = xfs_bmap(XFS_I(inode), offset, 0,
BMAPI_DEVICE, &iomap, &maps);
if (error)
return -error;
bdev = xfs_find_bdev_for_inode(XFS_I(inode));
if (rw == WRITE) {
iocb->private = xfs_alloc_ioend(inode, IOMAP_UNWRITTEN);
ret = blockdev_direct_IO_own_locking(rw, iocb, inode,
iomap.iomap_target->bt_bdev,
iov, offset, nr_segs,
bdev, iov, offset, nr_segs,
xfs_get_blocks_direct,
xfs_end_io_direct);
} else {
iocb->private = xfs_alloc_ioend(inode, IOMAP_READ);
ret = blockdev_direct_IO_no_locking(rw, iocb, inode,
iomap.iomap_target->bt_bdev,
iov, offset, nr_segs,
bdev, iov, offset, nr_segs,
xfs_get_blocks_direct,
xfs_end_io_direct);
}
@@ -1525,8 +1531,7 @@ xfs_vm_bmap(
struct inode *inode = (struct inode *)mapping->host;
struct xfs_inode *ip = XFS_I(inode);
vn_trace_entry(XFS_I(inode), __FUNCTION__,
(inst_t *)__return_address);
xfs_itrace_entry(XFS_I(inode));
xfs_rwlock(ip, VRWLOCK_READ);
xfs_flush_pages(ip, (xfs_off_t)0, -1, 0, FI_REMAPF);
xfs_rwunlock(ip, VRWLOCK_READ);

57
fs/xfs/linux-2.6/xfs_buf.c
View File

@@ -387,8 +387,6 @@ _xfs_buf_lookup_pages(
if (unlikely(page == NULL)) {
if (flags & XBF_READ_AHEAD) {
bp->b_page_count = i;
for (i = 0; i < bp->b_page_count; i++)
unlock_page(bp->b_pages[i]);
return -ENOMEM;
}
@@ -418,24 +416,17 @@ _xfs_buf_lookup_pages(
ASSERT(!PagePrivate(page));
if (!PageUptodate(page)) {
page_count--;
if (blocksize >= PAGE_CACHE_SIZE) {
if (flags & XBF_READ)
bp->b_locked = 1;
} else if (!PagePrivate(page)) {
if (blocksize < PAGE_CACHE_SIZE && !PagePrivate(page)) {
if (test_page_region(page, offset, nbytes))
page_count++;
}
}
unlock_page(page);
bp->b_pages[i] = page;
offset = 0;
}
if (!bp->b_locked) {
for (i = 0; i < bp->b_page_count; i++)
unlock_page(bp->b_pages[i]);
}
if (page_count == bp->b_page_count)
bp->b_flags |= XBF_DONE;
@@ -751,7 +742,6 @@ xfs_buf_associate_memory(
bp->b_pages[i] = mem_to_page((void *)pageaddr);
pageaddr += PAGE_CACHE_SIZE;
}
bp->b_locked = 0;
bp->b_count_desired = len;
bp->b_buffer_length = buflen;
@@ -1098,25 +1088,13 @@ xfs_buf_iostart(
return status;
}
STATIC_INLINE int
_xfs_buf_iolocked(
xfs_buf_t *bp)
{
ASSERT(bp->b_flags & (XBF_READ | XBF_WRITE));
if (bp->b_flags & XBF_READ)
return bp->b_locked;
return 0;
}
STATIC_INLINE void
_xfs_buf_ioend(
xfs_buf_t *bp,
int schedule)
{
if (atomic_dec_and_test(&bp->b_io_remaining) == 1) {
bp->b_locked = 0;
if (atomic_dec_and_test(&bp->b_io_remaining) == 1)
xfs_buf_ioend(bp, schedule);
}
}
STATIC void
@@ -1147,10 +1125,6 @@ xfs_buf_bio_end_io(
if (--bvec >= bio->bi_io_vec)
prefetchw(&bvec->bv_page->flags);
if (_xfs_buf_iolocked(bp)) {
unlock_page(page);
}
} while (bvec >= bio->bi_io_vec);
_xfs_buf_ioend(bp, 1);
@@ -1161,13 +1135,12 @@ STATIC void
_xfs_buf_ioapply(
xfs_buf_t *bp)
{
int i, rw, map_i, total_nr_pages, nr_pages;
int rw, map_i, total_nr_pages, nr_pages;
struct bio *bio;
int offset = bp->b_offset;
int size = bp->b_count_desired;
sector_t sector = bp->b_bn;
unsigned int blocksize = bp->b_target->bt_bsize;
int locking = _xfs_buf_iolocked(bp);
total_nr_pages = bp->b_page_count;
map_i = 0;
@@ -1190,7 +1163,7 @@ _xfs_buf_ioapply(
* filesystem block size is not smaller than the page size.
*/
if ((bp->b_buffer_length < PAGE_CACHE_SIZE) &&
(bp->b_flags & XBF_READ) && locking &&
(bp->b_flags & XBF_READ) &&
(blocksize >= PAGE_CACHE_SIZE)) {
bio = bio_alloc(GFP_NOIO, 1);
@@ -1207,24 +1180,6 @@ _xfs_buf_ioapply(
goto submit_io;
}
/* Lock down the pages which we need to for the request */
if (locking && (bp->b_flags & XBF_WRITE) && (bp->b_locked == 0)) {
for (i = 0; size; i++) {
int nbytes = PAGE_CACHE_SIZE - offset;
struct page *page = bp->b_pages[i];
if (nbytes > size)
nbytes = size;
lock_page(page);
size -= nbytes;
offset = 0;
}
offset = bp->b_offset;
size = bp->b_count_desired;
}
next_chunk:
atomic_inc(&bp->b_io_remaining);
nr_pages = BIO_MAX_SECTORS >> (PAGE_SHIFT - BBSHIFT);
@@ -1571,7 +1526,7 @@ xfs_alloc_delwrite_queue(
INIT_LIST_HEAD(&btp->bt_list);
INIT_LIST_HEAD(&btp->bt_delwrite_queue);
spinlock_init(&btp->bt_delwrite_lock, "delwri_lock");
spin_lock_init(&btp->bt_delwrite_lock);
btp->bt_flags = 0;
btp->bt_task = kthread_run(xfsbufd, btp, "xfsbufd");
if (IS_ERR(btp->bt_task)) {

1
fs/xfs/linux-2.6/xfs_buf.h
View File

@@ -143,7 +143,6 @@ typedef struct xfs_buf {
void *b_fspriv2;
void *b_fspriv3;
unsigned short b_error; /* error code on I/O */
unsigned short b_locked; /* page array is locked */
unsigned int b_page_count; /* size of page array */
unsigned int b_offset; /* page offset in first page */
struct page **b_pages; /* array of page pointers */

25
fs/xfs/linux-2.6/xfs_export.c
View File

@@ -118,20 +118,29 @@ xfs_nfs_get_inode(
u64 ino,
u32 generation)
{
xfs_fid_t xfid;
bhv_vnode_t *vp;
xfs_mount_t *mp = XFS_M(sb);
xfs_inode_t *ip;
int error;
xfid.fid_len = sizeof(xfs_fid_t) - sizeof(xfid.fid_len);
xfid.fid_pad = 0;
xfid.fid_ino = ino;
xfid.fid_gen = generation;
/*
* NFS can sometimes send requests for ino 0. Fail them gracefully.
*/
if (ino == 0)
return ERR_PTR(-ESTALE);
error = xfs_vget(XFS_M(sb), &vp, &xfid);
error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_SHARED, &ip, 0);
if (error)
return ERR_PTR(-error);
if (!ip)
return ERR_PTR(-EIO);
return vp ? vn_to_inode(vp) : NULL;
if (!ip->i_d.di_mode || ip->i_d.di_gen != generation) {
xfs_iput_new(ip, XFS_ILOCK_SHARED);
return ERR_PTR(-ENOENT);
}
xfs_iunlock(ip, XFS_ILOCK_SHARED);
return ip->i_vnode;
}
STATIC struct dentry *

3
fs/xfs/linux-2.6/xfs_file.c
View File

@@ -350,8 +350,8 @@ xfs_file_readdir(
size = buf.used;
de = (struct hack_dirent *)buf.dirent;
curr_offset = de->offset /* & 0x7fffffff */;
while (size > 0) {
curr_offset = de->offset /* & 0x7fffffff */;
if (filldir(dirent, de->name, de->namlen,
curr_offset & 0x7fffffff,
de->ino, de->d_type)) {
@@ -362,7 +362,6 @@ xfs_file_readdir(
sizeof(u64));
size -= reclen;
de = (struct hack_dirent *)((char *)de + reclen);
curr_offset = de->offset /* & 0x7fffffff */;
}
}

3
fs/xfs/linux-2.6/xfs_globals.c
View File

@@ -47,5 +47,6 @@ xfs_param_t xfs_params = {
/*
* Global system credential structure.
*/
cred_t sys_cred_val, *sys_cred = &sys_cred_val;
static cred_t sys_cred_val;
cred_t *sys_cred = &sys_cred_val;

86
fs/xfs/linux-2.6/xfs_ioctl.c
View File

@@ -75,7 +75,6 @@ xfs_find_handle(
xfs_handle_t handle;
xfs_fsop_handlereq_t hreq;
struct inode *inode;
bhv_vnode_t *vp;
if (copy_from_user(&hreq, arg, sizeof(hreq)))
return -XFS_ERROR(EFAULT);
@@ -134,21 +133,16 @@ xfs_find_handle(
return -XFS_ERROR(EBADF);
}
/* we need the vnode */
vp = vn_from_inode(inode);
/* now we can grab the fsid */
memcpy(&handle.ha_fsid, XFS_I(inode)->i_mount->m_fixedfsid,
sizeof(xfs_fsid_t));
hsize = sizeof(xfs_fsid_t);
if (cmd != XFS_IOC_PATH_TO_FSHANDLE) {
xfs_inode_t *ip;
xfs_inode_t *ip = XFS_I(inode);
int lock_mode;
/* need to get access to the xfs_inode to read the generation */
ip = xfs_vtoi(vp);
ASSERT(ip);
lock_mode = xfs_ilock_map_shared(ip);
/* fill in fid section of handle from inode */
@@ -176,21 +170,19 @@ xfs_find_handle(
/*
* Convert userspace handle data into vnode (and inode).
* We [ab]use the fact that all the fsop_handlereq ioctl calls
* have a data structure argument whose first component is always
* a xfs_fsop_handlereq_t, so we can cast to and from this type.
* This allows us to optimise the copy_from_user calls and gives
* a handy, shared routine.
* Convert userspace handle data into inode.
*
* If no error, caller must always VN_RELE the returned vp.
* We use the fact that all the fsop_handlereq ioctl calls have a data
* structure argument whose first component is always a xfs_fsop_handlereq_t,
* so we can pass that sub structure into this handy, shared routine.
*
* If no error, caller must always iput the returned inode.
*/
STATIC int
xfs_vget_fsop_handlereq(
xfs_mount_t *mp,
struct inode *parinode, /* parent inode pointer */
xfs_fsop_handlereq_t *hreq,
bhv_vnode_t **vp,
struct inode **inode)
{
void __user *hanp;
@@ -199,8 +191,6 @@ xfs_vget_fsop_handlereq(
xfs_handle_t *handlep;
xfs_handle_t handle;
xfs_inode_t *ip;
struct inode *inodep;
bhv_vnode_t *vpp;
xfs_ino_t ino;
__u32 igen;
int error;
@@ -241,7 +231,7 @@ xfs_vget_fsop_handlereq(
}
/*
* Get the XFS inode, building a vnode to go with it.
* Get the XFS inode, building a Linux inode to go with it.
*/
error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_SHARED, &ip, 0);
if (error)
@@ -253,12 +243,9 @@ xfs_vget_fsop_handlereq(
return XFS_ERROR(ENOENT);
}
vpp = XFS_ITOV(ip);
inodep = vn_to_inode(vpp);
xfs_iunlock(ip, XFS_ILOCK_SHARED);
*vp = vpp;
*inode = inodep;
*inode = XFS_ITOV(ip);
return 0;
}
@@ -275,7 +262,6 @@ xfs_open_by_handle(
struct file *filp;
struct inode *inode;
struct dentry *dentry;
bhv_vnode_t *vp;
xfs_fsop_handlereq_t hreq;
if (!capable(CAP_SYS_ADMIN))
@@ -283,7 +269,7 @@ xfs_open_by_handle(
if (copy_from_user(&hreq, arg, sizeof(xfs_fsop_handlereq_t)))
return -XFS_ERROR(EFAULT);
error = xfs_vget_fsop_handlereq(mp, parinode, &hreq, &vp, &inode);
error = xfs_vget_fsop_handlereq(mp, parinode, &hreq, &inode);
if (error)
return -error;
@@ -385,7 +371,6 @@ xfs_readlink_by_handle(
{
struct inode *inode;
xfs_fsop_handlereq_t hreq;
bhv_vnode_t *vp;
__u32 olen;
void *link;
int error;
@@ -395,7 +380,7 @@ xfs_readlink_by_handle(
if (copy_from_user(&hreq, arg, sizeof(xfs_fsop_handlereq_t)))
return -XFS_ERROR(EFAULT);
error = xfs_vget_fsop_handlereq(mp, parinode, &hreq, &vp, &inode);
error = xfs_vget_fsop_handlereq(mp, parinode, &hreq, &inode);
if (error)
return -error;
@@ -438,34 +423,32 @@ xfs_fssetdm_by_handle(
struct fsdmidata fsd;
xfs_fsop_setdm_handlereq_t dmhreq;
struct inode *inode;
bhv_vnode_t *vp;
if (!capable(CAP_MKNOD))
return -XFS_ERROR(EPERM);
if (copy_from_user(&dmhreq, arg, sizeof(xfs_fsop_setdm_handlereq_t)))
return -XFS_ERROR(EFAULT);
error = xfs_vget_fsop_handlereq(mp, parinode, &dmhreq.hreq, &vp, &inode);
error = xfs_vget_fsop_handlereq(mp, parinode, &dmhreq.hreq, &inode);
if (error)
return -error;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) {
VN_RELE(vp);
return -XFS_ERROR(EPERM);
error = -XFS_ERROR(EPERM);
goto out;
}
if (copy_from_user(&fsd, dmhreq.data, sizeof(fsd))) {
VN_RELE(vp);
return -XFS_ERROR(EFAULT);
error = -XFS_ERROR(EFAULT);
goto out;
}
error = xfs_set_dmattrs(xfs_vtoi(vp),
fsd.fsd_dmevmask, fsd.fsd_dmstate);
error = -xfs_set_dmattrs(XFS_I(inode), fsd.fsd_dmevmask,
fsd.fsd_dmstate);
VN_RELE(vp);
if (error)
return -error;
return 0;
out:
iput(inode);
return error;
}
STATIC int
@@ -478,7 +461,6 @@ xfs_attrlist_by_handle(
attrlist_cursor_kern_t *cursor;
xfs_fsop_attrlist_handlereq_t al_hreq;
struct inode *inode;
bhv_vnode_t *vp;
char *kbuf;
if (!capable(CAP_SYS_ADMIN))
@@ -488,8 +470,7 @@ xfs_attrlist_by_handle(
if (al_hreq.buflen > XATTR_LIST_MAX)
return -XFS_ERROR(EINVAL);
error = xfs_vget_fsop_handlereq(mp, parinode, &al_hreq.hreq,
&vp, &inode);
error = xfs_vget_fsop_handlereq(mp, parinode, &al_hreq.hreq, &inode);
if (error)
goto out;
@@ -509,7 +490,7 @@ xfs_attrlist_by_handle(
out_kfree:
kfree(kbuf);
out_vn_rele:
VN_RELE(vp);
iput(inode);
out:
return -error;
}
@@ -531,7 +512,7 @@ xfs_attrmulti_attr_get(
if (!kbuf)
return ENOMEM;
error = xfs_attr_get(XFS_I(inode), name, kbuf, len, flags, NULL);
error = xfs_attr_get(XFS_I(inode), name, kbuf, (int *)len, flags, NULL);
if (error)
goto out_kfree;
@@ -598,7 +579,6 @@ xfs_attrmulti_by_handle(
xfs_attr_multiop_t *ops;
xfs_fsop_attrmulti_handlereq_t am_hreq;
struct inode *inode;
bhv_vnode_t *vp;
unsigned int i, size;
char *attr_name;
@@ -607,7 +587,7 @@ xfs_attrmulti_by_handle(
if (copy_from_user(&am_hreq, arg, sizeof(xfs_fsop_attrmulti_handlereq_t)))
return -XFS_ERROR(EFAULT);
error = xfs_vget_fsop_handlereq(mp, parinode, &am_hreq.hreq, &vp, &inode);
error = xfs_vget_fsop_handlereq(mp, parinode, &am_hreq.hreq, &inode);
if (error)
goto out;
@@ -666,7 +646,7 @@ xfs_attrmulti_by_handle(
out_kfree_ops:
kfree(ops);
out_vn_rele:
VN_RELE(vp);
iput(inode);
out:
return -error;
}
@@ -702,7 +682,6 @@ xfs_ioc_fsgeometry(
STATIC int
xfs_ioc_xattr(
bhv_vnode_t *vp,
xfs_inode_t *ip,
struct file *filp,
unsigned int cmd,
@@ -735,12 +714,10 @@ xfs_ioctl(
void __user *arg)
{
struct inode *inode = filp->f_path.dentry->d_inode;
bhv_vnode_t *vp = vn_from_inode(inode);
xfs_mount_t *mp = ip->i_mount;
int error;
vn_trace_entry(XFS_I(inode), "xfs_ioctl", (inst_t *)__return_address);
xfs_itrace_entry(XFS_I(inode));
switch (cmd) {
case XFS_IOC_ALLOCSP:
@@ -764,7 +741,7 @@ xfs_ioctl(
case XFS_IOC_DIOINFO: {
struct dioattr da;
xfs_buftarg_t *target =
(ip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
XFS_IS_REALTIME_INODE(ip) ?
mp->m_rtdev_targp : mp->m_ddev_targp;
da.d_mem = da.d_miniosz = 1 << target->bt_sshift;
@@ -796,7 +773,7 @@ xfs_ioctl(
case XFS_IOC_GETXFLAGS:
case XFS_IOC_SETXFLAGS:
case XFS_IOC_FSSETXATTR:
return xfs_ioc_xattr(vp, ip, filp, cmd, arg);
return xfs_ioc_xattr(ip, filp, cmd, arg);
case XFS_IOC_FSSETDM: {
struct fsdmidata dmi;
@@ -1203,7 +1180,6 @@ xfs_ioc_fsgetxattr(
STATIC int
xfs_ioc_xattr(
bhv_vnode_t *vp,
xfs_inode_t *ip,
struct file *filp,
unsigned int cmd,
@@ -1237,7 +1213,7 @@ xfs_ioc_xattr(
error = xfs_setattr(ip, vattr, attr_flags, NULL);
if (likely(!error))
__vn_revalidate(vp, vattr); /* update flags */
vn_revalidate(XFS_ITOV(ip)); /* update flags */
error = -error;
break;
}
@@ -1272,7 +1248,7 @@ xfs_ioc_xattr(
error = xfs_setattr(ip, vattr, attr_flags, NULL);
if (likely(!error))
__vn_revalidate(vp, vattr); /* update flags */
vn_revalidate(XFS_ITOV(ip)); /* update flags */
error = -error;
break;
}

9
fs/xfs/linux-2.6/xfs_ioctl32.c
View File

@@ -44,6 +44,7 @@
#include "xfs_error.h"
#include "xfs_dfrag.h"
#include "xfs_vnodeops.h"
#include "xfs_ioctl32.h"
#define _NATIVE_IOC(cmd, type) \
_IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type))
@@ -379,9 +380,6 @@ xfs_compat_ioctl(
switch (cmd) {
case XFS_IOC_DIOINFO:
case XFS_IOC_FSGEOMETRY:
case XFS_IOC_GETVERSION:
case XFS_IOC_GETXFLAGS:
case XFS_IOC_SETXFLAGS:
case XFS_IOC_FSGETXATTR:
case XFS_IOC_FSSETXATTR:
case XFS_IOC_FSGETXATTRA:
@@ -407,6 +405,11 @@ xfs_compat_ioctl(
case XFS_IOC_ERROR_CLEARALL:
break;
case XFS_IOC32_GETXFLAGS:
case XFS_IOC32_SETXFLAGS:
case XFS_IOC32_GETVERSION:
cmd = _NATIVE_IOC(cmd, long);
break;
#ifdef BROKEN_X86_ALIGNMENT
/* xfs_flock_t has wrong u32 vs u64 alignment */
case XFS_IOC_ALLOCSP_32:

170
fs/xfs/linux-2.6/xfs_iops.c
View File

@@ -52,6 +52,7 @@
#include <linux/xattr.h>
#include <linux/namei.h>
#include <linux/security.h>
#include <linux/falloc.h>
/*
* Bring the atime in the XFS inode uptodate.
@@ -70,6 +71,22 @@ xfs_synchronize_atime(
}
}
/*
* If the linux inode exists, mark it dirty.
* Used when commiting a dirty inode into a transaction so that
* the inode will get written back by the linux code
*/
void
xfs_mark_inode_dirty_sync(
xfs_inode_t *ip)
{
bhv_vnode_t *vp;
vp = XFS_ITOV_NULL(ip);
if (vp)
mark_inode_dirty_sync(vn_to_inode(vp));
}
/*
* Change the requested timestamp in the given inode.
* We don't lock across timestamp updates, and we don't log them but
@@ -184,10 +201,6 @@ xfs_validate_fields(
struct xfs_inode *ip = XFS_I(inode);
loff_t size;
inode->i_nlink = ip->i_d.di_nlink;
inode->i_blocks =
XFS_FSB_TO_BB(ip->i_mount, ip->i_d.di_nblocks +
ip->i_delayed_blks);
/* we're under i_sem so i_size can't change under us */
size = XFS_ISIZE(ip);
if (i_size_read(inode) != size)
@@ -542,12 +555,31 @@ xfs_vn_put_link(
#ifdef CONFIG_XFS_POSIX_ACL
STATIC int
xfs_vn_permission(
struct inode *inode,
int mode,
struct nameidata *nd)
xfs_check_acl(
struct inode *inode,
int mask)
{
return -xfs_access(XFS_I(inode), mode << 6, NULL);
struct xfs_inode *ip = XFS_I(inode);
int error;
xfs_itrace_entry(ip);
if (XFS_IFORK_Q(ip)) {
error = xfs_acl_iaccess(ip, mask, NULL);
if (error != -1)
return -error;
}
return -EAGAIN;
}
STATIC int
xfs_vn_permission(
struct inode *inode,
int mask,
struct nameidata *nd)
{
return generic_permission(inode, mask, xfs_check_acl);
}
#else
#define xfs_vn_permission NULL
@@ -555,33 +587,61 @@ xfs_vn_permission(
STATIC int
xfs_vn_getattr(
struct vfsmount *mnt,
struct dentry *dentry,
struct kstat *stat)
struct vfsmount *mnt,
struct dentry *dentry,
struct kstat *stat)
{
struct inode *inode = dentry->d_inode;
bhv_vattr_t vattr = { .va_mask = XFS_AT_STAT };
int error;
struct inode *inode = dentry->d_inode;
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
error = xfs_getattr(XFS_I(inode), &vattr, ATTR_LAZY);
if (likely(!error)) {
stat->size = i_size_read(inode);
stat->dev = inode->i_sb->s_dev;
stat->rdev = (vattr.va_rdev == 0) ? 0 :
MKDEV(sysv_major(vattr.va_rdev) & 0x1ff,
sysv_minor(vattr.va_rdev));
stat->mode = vattr.va_mode;
stat->nlink = vattr.va_nlink;
stat->uid = vattr.va_uid;
stat->gid = vattr.va_gid;
stat->ino = vattr.va_nodeid;
stat->atime = vattr.va_atime;
stat->mtime = vattr.va_mtime;
stat->ctime = vattr.va_ctime;
stat->blocks = vattr.va_nblocks;
stat->blksize = vattr.va_blocksize;
xfs_itrace_entry(ip);
if (XFS_FORCED_SHUTDOWN(mp))
return XFS_ERROR(EIO);
stat->size = XFS_ISIZE(ip);
stat->dev = inode->i_sb->s_dev;
stat->mode = ip->i_d.di_mode;
stat->nlink = ip->i_d.di_nlink;
stat->uid = ip->i_d.di_uid;
stat->gid = ip->i_d.di_gid;
stat->ino = ip->i_ino;
#if XFS_BIG_INUMS
stat->ino += mp->m_inoadd;
#endif
stat->atime = inode->i_atime;
stat->mtime.tv_sec = ip->i_d.di_mtime.t_sec;
stat->mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
stat->ctime.tv_sec = ip->i_d.di_ctime.t_sec;
stat->ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
stat->blocks =
XFS_FSB_TO_BB(mp, ip->i_d.di_nblocks + ip->i_delayed_blks);
switch (inode->i_mode & S_IFMT) {
case S_IFBLK:
case S_IFCHR:
stat->blksize = BLKDEV_IOSIZE;
stat->rdev = MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
sysv_minor(ip->i_df.if_u2.if_rdev));
break;
default:
if (XFS_IS_REALTIME_INODE(ip)) {
/*
* If the file blocks are being allocated from a
* realtime volume, then return the inode's realtime
* extent size or the realtime volume's extent size.
*/
stat->blksize =
xfs_get_extsz_hint(ip) << mp->m_sb.sb_blocklog;
} else
stat->blksize = xfs_preferred_iosize(mp);
stat->rdev = 0;
break;
}
return -error;
return 0;
}
STATIC int
@@ -636,7 +696,7 @@ xfs_vn_setattr(
error = xfs_setattr(XFS_I(inode), &vattr, flags, NULL);
if (likely(!error))
__vn_revalidate(vn_from_inode(inode), &vattr);
vn_revalidate(vn_from_inode(inode));
return -error;
}
@@ -750,6 +810,47 @@ xfs_vn_removexattr(
return namesp->attr_remove(vp, attr, xflags);
}
STATIC long
xfs_vn_fallocate(
struct inode *inode,
int mode,
loff_t offset,
loff_t len)
{
long error;
loff_t new_size = 0;
xfs_flock64_t bf;
xfs_inode_t *ip = XFS_I(inode);
/* preallocation on directories not yet supported */
error = -ENODEV;
if (S_ISDIR(inode->i_mode))
goto out_error;
bf.l_whence = 0;
bf.l_start = offset;
bf.l_len = len;
xfs_ilock(ip, XFS_IOLOCK_EXCL);
error = xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
0, NULL, ATTR_NOLOCK);
if (!error && !(mode & FALLOC_FL_KEEP_SIZE) &&
offset + len > i_size_read(inode))
new_size = offset + len;
/* Change file size if needed */
if (new_size) {
bhv_vattr_t va;
va.va_mask = XFS_AT_SIZE;
va.va_size = new_size;
error = xfs_setattr(ip, &va, ATTR_NOLOCK, NULL);
}
xfs_iunlock(ip, XFS_IOLOCK_EXCL);
out_error:
return error;
}
const struct inode_operations xfs_inode_operations = {
.permission = xfs_vn_permission,
@@ -760,6 +861,7 @@ const struct inode_operations xfs_inode_operations = {
.getxattr = xfs_vn_getxattr,
.listxattr = xfs_vn_listxattr,
.removexattr = xfs_vn_removexattr,
.fallocate = xfs_vn_fallocate,
};
const struct inode_operations xfs_dir_inode_operations = {

34
fs/xfs/linux-2.6/xfs_linux.h
View File

@@ -43,7 +43,6 @@
#include <kmem.h>
#include <mrlock.h>
#include <spin.h>
#include <sv.h>
#include <mutex.h>
#include <sema.h>
@@ -75,6 +74,7 @@
#include <linux/notifier.h>
#include <linux/delay.h>
#include <linux/log2.h>
#include <linux/spinlock.h>
#include <asm/page.h>
#include <asm/div64.h>
@@ -136,43 +136,19 @@
#define current_restore_flags_nested(sp, f) \
(current->flags = ((current->flags & ~(f)) | (*(sp) & (f))))
#define NBPP PAGE_SIZE
#define NDPP (1 << (PAGE_SHIFT - 9))
#define spinlock_destroy(lock)
#define NBBY 8 /* number of bits per byte */
#define NBPC PAGE_SIZE /* Number of bytes per click */
#define BPCSHIFT PAGE_SHIFT /* LOG2(NBPC) if exact */
/*
* Size of block device i/o is parameterized here.
* Currently the system supports page-sized i/o.
*/
#define BLKDEV_IOSHIFT BPCSHIFT
#define BLKDEV_IOSHIFT PAGE_CACHE_SHIFT
#define BLKDEV_IOSIZE (1<<BLKDEV_IOSHIFT)
/* number of BB's per block device block */
#define BLKDEV_BB BTOBB(BLKDEV_IOSIZE)
/* bytes to clicks */
#define btoc(x) (((__psunsigned_t)(x)+(NBPC-1))>>BPCSHIFT)
#define btoct(x) ((__psunsigned_t)(x)>>BPCSHIFT)
#define btoc64(x) (((__uint64_t)(x)+(NBPC-1))>>BPCSHIFT)
#define btoct64(x) ((__uint64_t)(x)>>BPCSHIFT)
/* off_t bytes to clicks */
#define offtoc(x) (((__uint64_t)(x)+(NBPC-1))>>BPCSHIFT)
#define offtoct(x) ((xfs_off_t)(x)>>BPCSHIFT)
/* clicks to off_t bytes */
#define ctooff(x) ((xfs_off_t)(x)<<BPCSHIFT)
/* clicks to bytes */
#define ctob(x) ((__psunsigned_t)(x)<<BPCSHIFT)
#define btoct(x) ((__psunsigned_t)(x)>>BPCSHIFT)
#define ctob64(x) ((__uint64_t)(x)<<BPCSHIFT)
/* bytes to clicks */
#define btoc(x) (((__psunsigned_t)(x)+(NBPC-1))>>BPCSHIFT)
#define ENOATTR ENODATA /* Attribute not found */
#define EWRONGFS EINVAL /* Mount with wrong filesystem type */
#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
@@ -205,10 +181,6 @@
#define xfs_stack_trace() dump_stack()
#define xfs_itruncate_data(ip, off) \
(-vmtruncate(vn_to_inode(XFS_ITOV(ip)), (off)))
#define xfs_statvfs_fsid(statp, mp) \
({ u64 id = huge_encode_dev((mp)->m_ddev_targp->bt_dev); \
__kernel_fsid_t *fsid = &(statp)->f_fsid; \
(fsid->val[0] = (u32)id, fsid->val[1] = (u32)(id >> 32)); })
/* Move the kernel do_div definition off to one side */

122
fs/xfs/linux-2.6/xfs_lrw.c
View File

@@ -58,14 +58,12 @@
void
xfs_rw_enter_trace(
int tag,
xfs_iocore_t *io,
xfs_inode_t *ip,
void *data,
size_t segs,
loff_t offset,
int ioflags)
{
xfs_inode_t *ip = XFS_IO_INODE(io);
if (ip->i_rwtrace == NULL)
return;
ktrace_enter(ip->i_rwtrace,
@@ -78,8 +76,8 @@ xfs_rw_enter_trace(
(void *)((unsigned long)((offset >> 32) & 0xffffffff)),
(void *)((unsigned long)(offset & 0xffffffff)),
(void *)((unsigned long)ioflags),
(void *)((unsigned long)((io->io_new_size >> 32) & 0xffffffff)),
(void *)((unsigned long)(io->io_new_size & 0xffffffff)),
(void *)((unsigned long)((ip->i_new_size >> 32) & 0xffffffff)),
(void *)((unsigned long)(ip->i_new_size & 0xffffffff)),
(void *)((unsigned long)current_pid()),
(void *)NULL,
(void *)NULL,
@@ -89,13 +87,12 @@ xfs_rw_enter_trace(
void
xfs_inval_cached_trace(
xfs_iocore_t *io,
xfs_inode_t *ip,
xfs_off_t offset,
xfs_off_t len,
xfs_off_t first,
xfs_off_t last)
{
xfs_inode_t *ip = XFS_IO_INODE(io);
if (ip->i_rwtrace == NULL)
return;
@@ -131,7 +128,7 @@ xfs_inval_cached_trace(
*/
STATIC int
xfs_iozero(
struct inode *ip, /* inode */
struct xfs_inode *ip, /* inode */
loff_t pos, /* offset in file */
size_t count) /* size of data to zero */
{
@@ -139,7 +136,7 @@ xfs_iozero(
struct address_space *mapping;
int status;
mapping = ip->i_mapping;
mapping = ip->i_vnode->i_mapping;
do {
unsigned offset, bytes;
void *fsdata;
@@ -205,7 +202,7 @@ xfs_read(
if (unlikely(ioflags & IO_ISDIRECT)) {
xfs_buftarg_t *target =
(ip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
XFS_IS_REALTIME_INODE(ip) ?
mp->m_rtdev_targp : mp->m_ddev_targp;
if ((*offset & target->bt_smask) ||
(size & target->bt_smask)) {
@@ -246,9 +243,8 @@ xfs_read(
if (unlikely(ioflags & IO_ISDIRECT)) {
if (VN_CACHED(vp))
ret = xfs_flushinval_pages(ip,
ctooff(offtoct(*offset)),
-1, FI_REMAPF_LOCKED);
ret = xfs_flushinval_pages(ip, (*offset & PAGE_CACHE_MASK),
-1, FI_REMAPF_LOCKED);
mutex_unlock(&inode->i_mutex);
if (ret) {
xfs_iunlock(ip, XFS_IOLOCK_SHARED);
@@ -256,7 +252,7 @@ xfs_read(
}
}
xfs_rw_enter_trace(XFS_READ_ENTER, &ip->i_iocore,
xfs_rw_enter_trace(XFS_READ_ENTER, ip,
(void *)iovp, segs, *offset, ioflags);
iocb->ki_pos = *offset;
@@ -301,7 +297,7 @@ xfs_splice_read(
return -error;
}
}
xfs_rw_enter_trace(XFS_SPLICE_READ_ENTER, &ip->i_iocore,
xfs_rw_enter_trace(XFS_SPLICE_READ_ENTER, ip,
pipe, count, *ppos, ioflags);
ret = generic_file_splice_read(infilp, ppos, pipe, count, flags);
if (ret > 0)
@@ -323,7 +319,6 @@ xfs_splice_write(
{
bhv_vnode_t *vp = XFS_ITOV(ip);
xfs_mount_t *mp = ip->i_mount;
xfs_iocore_t *io = &ip->i_iocore;
ssize_t ret;
struct inode *inode = outfilp->f_mapping->host;
xfs_fsize_t isize, new_size;
@@ -350,10 +345,10 @@ xfs_splice_write(
xfs_ilock(ip, XFS_ILOCK_EXCL);
if (new_size > ip->i_size)
io->io_new_size = new_size;
ip->i_new_size = new_size;
xfs_iunlock(ip, XFS_ILOCK_EXCL);
xfs_rw_enter_trace(XFS_SPLICE_WRITE_ENTER, &ip->i_iocore,
xfs_rw_enter_trace(XFS_SPLICE_WRITE_ENTER, ip,
pipe, count, *ppos, ioflags);
ret = generic_file_splice_write(pipe, outfilp, ppos, count, flags);
if (ret > 0)
@@ -370,9 +365,9 @@ xfs_splice_write(
xfs_iunlock(ip, XFS_ILOCK_EXCL);
}
if (io->io_new_size) {
if (ip->i_new_size) {
xfs_ilock(ip, XFS_ILOCK_EXCL);
io->io_new_size = 0;
ip->i_new_size = 0;
if (ip->i_d.di_size > ip->i_size)
ip->i_d.di_size = ip->i_size;
xfs_iunlock(ip, XFS_ILOCK_EXCL);
@@ -389,20 +384,19 @@ xfs_splice_write(
*/
STATIC int /* error (positive) */
xfs_zero_last_block(
struct inode *ip,
xfs_iocore_t *io,
xfs_inode_t *ip,
xfs_fsize_t offset,
xfs_fsize_t isize)
{
xfs_fileoff_t last_fsb;
xfs_mount_t *mp = io->io_mount;
xfs_mount_t *mp = ip->i_mount;
int nimaps;
int zero_offset;
int zero_len;
int error = 0;
xfs_bmbt_irec_t imap;
ASSERT(ismrlocked(io->io_lock, MR_UPDATE) != 0);
ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE) != 0);
zero_offset = XFS_B_FSB_OFFSET(mp, isize);
if (zero_offset == 0) {
@@ -415,7 +409,7 @@ xfs_zero_last_block(
last_fsb = XFS_B_TO_FSBT(mp, isize);
nimaps = 1;
error = XFS_BMAPI(mp, NULL, io, last_fsb, 1, 0, NULL, 0, &imap,
error = xfs_bmapi(NULL, ip, last_fsb, 1, 0, NULL, 0, &imap,
&nimaps, NULL, NULL);
if (error) {
return error;
@@ -433,14 +427,14 @@ xfs_zero_last_block(
* out sync. We need to drop the ilock while we do this so we
* don't deadlock when the buffer cache calls back to us.
*/
XFS_IUNLOCK(mp, io, XFS_ILOCK_EXCL| XFS_EXTSIZE_RD);
xfs_iunlock(ip, XFS_ILOCK_EXCL| XFS_EXTSIZE_RD);
zero_len = mp->m_sb.sb_blocksize - zero_offset;
if (isize + zero_len > offset)
zero_len = offset - isize;
error = xfs_iozero(ip, isize, zero_len);
XFS_ILOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);
xfs_ilock(ip, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);
ASSERT(error >= 0);
return error;
}
@@ -458,35 +452,33 @@ xfs_zero_last_block(
int /* error (positive) */
xfs_zero_eof(
bhv_vnode_t *vp,
xfs_iocore_t *io,
xfs_inode_t *ip,
xfs_off_t offset, /* starting I/O offset */
xfs_fsize_t isize) /* current inode size */
{
struct inode *ip = vn_to_inode(vp);
xfs_mount_t *mp = ip->i_mount;
xfs_fileoff_t start_zero_fsb;
xfs_fileoff_t end_zero_fsb;
xfs_fileoff_t zero_count_fsb;
xfs_fileoff_t last_fsb;
xfs_fileoff_t zero_off;
xfs_fsize_t zero_len;
xfs_mount_t *mp = io->io_mount;
int nimaps;
int error = 0;
xfs_bmbt_irec_t imap;
ASSERT(ismrlocked(io->io_lock, MR_UPDATE));
ASSERT(ismrlocked(io->io_iolock, MR_UPDATE));
ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE));
ASSERT(ismrlocked(&ip->i_iolock, MR_UPDATE));
ASSERT(offset > isize);
/*
* First handle zeroing the block on which isize resides.
* We only zero a part of that block so it is handled specially.
*/
error = xfs_zero_last_block(ip, io, offset, isize);
error = xfs_zero_last_block(ip, offset, isize);
if (error) {
ASSERT(ismrlocked(io->io_lock, MR_UPDATE));
ASSERT(ismrlocked(io->io_iolock, MR_UPDATE));
ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE));
ASSERT(ismrlocked(&ip->i_iolock, MR_UPDATE));
return error;
}
@@ -514,11 +506,11 @@ xfs_zero_eof(
while (start_zero_fsb <= end_zero_fsb) {
nimaps = 1;
zero_count_fsb = end_zero_fsb - start_zero_fsb + 1;
error = XFS_BMAPI(mp, NULL, io, start_zero_fsb, zero_count_fsb,
error = xfs_bmapi(NULL, ip, start_zero_fsb, zero_count_fsb,
0, NULL, 0, &imap, &nimaps, NULL, NULL);
if (error) {
ASSERT(ismrlocked(io->io_lock, MR_UPDATE));
ASSERT(ismrlocked(io->io_iolock, MR_UPDATE));
ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE));
ASSERT(ismrlocked(&ip->i_iolock, MR_UPDATE));
return error;
}
ASSERT(nimaps > 0);
@@ -542,7 +534,7 @@ xfs_zero_eof(
* Drop the inode lock while we're doing the I/O.
* We'll still have the iolock to protect us.
*/
XFS_IUNLOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);
xfs_iunlock(ip, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);
zero_off = XFS_FSB_TO_B(mp, start_zero_fsb);
zero_len = XFS_FSB_TO_B(mp, imap.br_blockcount);
@@ -558,14 +550,13 @@ xfs_zero_eof(
start_zero_fsb = imap.br_startoff + imap.br_blockcount;
ASSERT(start_zero_fsb <= (end_zero_fsb + 1));
XFS_ILOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);
xfs_ilock(ip, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);
}
return 0;
out_lock:
XFS_ILOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);
xfs_ilock(ip, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);
ASSERT(error >= 0);
return error;
}
@@ -587,7 +578,6 @@ xfs_write(
xfs_mount_t *mp;
ssize_t ret = 0, error = 0;
xfs_fsize_t isize, new_size;
xfs_iocore_t *io;
int iolock;
int eventsent = 0;
bhv_vrwlock_t locktype;
@@ -607,8 +597,7 @@ xfs_write(
if (count == 0)
return 0;
io = &xip->i_iocore;
mp = io->io_mount;
mp = xip->i_mount;
xfs_wait_for_freeze(mp, SB_FREEZE_WRITE);
@@ -667,7 +656,7 @@ start:
if (ioflags & IO_ISDIRECT) {
xfs_buftarg_t *target =
(xip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
XFS_IS_REALTIME_INODE(xip) ?
mp->m_rtdev_targp : mp->m_ddev_targp;
if ((pos & target->bt_smask) || (count & target->bt_smask)) {
@@ -688,7 +677,7 @@ start:
new_size = pos + count;
if (new_size > xip->i_size)
io->io_new_size = new_size;
xip->i_new_size = new_size;
if (likely(!(ioflags & IO_INVIS))) {
file_update_time(file);
@@ -706,7 +695,7 @@ start:
*/
if (pos > xip->i_size) {
error = xfs_zero_eof(vp, io, pos, xip->i_size);
error = xfs_zero_eof(xip, pos, xip->i_size);
if (error) {
xfs_iunlock(xip, XFS_ILOCK_EXCL);
goto out_unlock_internal;
@@ -740,10 +729,10 @@ retry:
if ((ioflags & IO_ISDIRECT)) {
if (VN_CACHED(vp)) {
WARN_ON(need_i_mutex == 0);
xfs_inval_cached_trace(io, pos, -1,
ctooff(offtoct(pos)), -1);
xfs_inval_cached_trace(xip, pos, -1,
(pos & PAGE_CACHE_MASK), -1);
error = xfs_flushinval_pages(xip,
ctooff(offtoct(pos)),
(pos & PAGE_CACHE_MASK),
-1, FI_REMAPF_LOCKED);
if (error)
goto out_unlock_internal;
@@ -751,7 +740,7 @@ retry:
if (need_i_mutex) {
/* demote the lock now the cached pages are gone */
XFS_ILOCK_DEMOTE(mp, io, XFS_IOLOCK_EXCL);
xfs_ilock_demote(xip, XFS_IOLOCK_EXCL);
mutex_unlock(&inode->i_mutex);
iolock = XFS_IOLOCK_SHARED;
@@ -759,7 +748,7 @@ retry:
need_i_mutex = 0;
}
xfs_rw_enter_trace(XFS_DIOWR_ENTER, io, (void *)iovp, segs,
xfs_rw_enter_trace(XFS_DIOWR_ENTER, xip, (void *)iovp, segs,
*offset, ioflags);
ret = generic_file_direct_write(iocb, iovp,
&segs, pos, offset, count, ocount);
@@ -779,7 +768,7 @@ retry:
goto relock;
}
} else {
xfs_rw_enter_trace(XFS_WRITE_ENTER, io, (void *)iovp, segs,
xfs_rw_enter_trace(XFS_WRITE_ENTER, xip, (void *)iovp, segs,
*offset, ioflags);
ret = generic_file_buffered_write(iocb, iovp, segs,
pos, offset, count, ret);
@@ -843,9 +832,9 @@ retry:
}
out_unlock_internal:
if (io->io_new_size) {
if (xip->i_new_size) {
xfs_ilock(xip, XFS_ILOCK_EXCL);
io->io_new_size = 0;
xip->i_new_size = 0;
/*
* If this was a direct or synchronous I/O that failed (such
* as ENOSPC) then part of the I/O may have been written to
@@ -894,25 +883,6 @@ xfs_bdstrat_cb(struct xfs_buf *bp)
}
}
int
xfs_bmap(
xfs_inode_t *ip,
xfs_off_t offset,
ssize_t count,
int flags,
xfs_iomap_t *iomapp,
int *niomaps)
{
xfs_iocore_t *io = &ip->i_iocore;
ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG);
ASSERT(((ip->i_d.di_flags & XFS_DIFLAG_REALTIME) != 0) ==
((ip->i_iocore.io_flags & XFS_IOCORE_RT) != 0));
return xfs_iomap(io, offset, count, flags, iomapp, niomaps);
}
/*
* Wrapper around bdstrat so that we can stop data
* from going to disk in case we are shutting down the filesystem.

16
fs/xfs/linux-2.6/xfs_lrw.h
View File

@@ -19,7 +19,6 @@
#define __XFS_LRW_H__
struct xfs_mount;
struct xfs_iocore;
struct xfs_inode;
struct xfs_bmbt_irec;
struct xfs_buf;
@@ -60,20 +59,19 @@ struct xfs_iomap;
#define XFS_IOMAP_UNWRITTEN 27
#define XFS_SPLICE_READ_ENTER 28
#define XFS_SPLICE_WRITE_ENTER 29
extern void xfs_rw_enter_trace(int, struct xfs_iocore *,
void *, size_t, loff_t, int);
extern void xfs_inval_cached_trace(struct xfs_iocore *,
xfs_off_t, xfs_off_t, xfs_off_t, xfs_off_t);
extern void xfs_rw_enter_trace(int, struct xfs_inode *,
void *, size_t, loff_t, int);
extern void xfs_inval_cached_trace(struct xfs_inode *,
xfs_off_t, xfs_off_t, xfs_off_t, xfs_off_t);
#else
#define xfs_rw_enter_trace(tag, io, data, size, offset, ioflags)
#define xfs_inval_cached_trace(io, offset, len, first, last)
#define xfs_rw_enter_trace(tag, ip, data, size, offset, ioflags)
#define xfs_inval_cached_trace(ip, offset, len, first, last)
#endif
extern int xfsbdstrat(struct xfs_mount *, struct xfs_buf *);
extern int xfs_bdstrat_cb(struct xfs_buf *);
extern int xfs_dev_is_read_only(struct xfs_mount *, char *);
extern int xfs_zero_eof(struct inode *, struct xfs_iocore *, xfs_off_t,
xfs_fsize_t);
extern int xfs_zero_eof(struct xfs_inode *, xfs_off_t, xfs_fsize_t);
#endif /* __XFS_LRW_H__ */

572
fs/xfs/linux-2.6/xfs_super.c
View File

@@ -41,6 +41,7 @@
#include "xfs_rtalloc.h"
#include "xfs_error.h"
#include "xfs_itable.h"
#include "xfs_fsops.h"
#include "xfs_rw.h"
#include "xfs_acl.h"
#include "xfs_attr.h"
@@ -49,6 +50,8 @@
#include "xfs_vnodeops.h"
#include "xfs_vfsops.h"
#include "xfs_version.h"
#include "xfs_log_priv.h"
#include "xfs_trans_priv.h"
#include <linux/namei.h>
#include <linux/init.h>
@@ -87,6 +90,435 @@ xfs_args_allocate(
return args;
}
#define MNTOPT_LOGBUFS "logbufs" /* number of XFS log buffers */
#define MNTOPT_LOGBSIZE "logbsize" /* size of XFS log buffers */
#define MNTOPT_LOGDEV "logdev" /* log device */
#define MNTOPT_RTDEV "rtdev" /* realtime I/O device */
#define MNTOPT_BIOSIZE "biosize" /* log2 of preferred buffered io size */
#define MNTOPT_WSYNC "wsync" /* safe-mode nfs compatible mount */
#define MNTOPT_INO64 "ino64" /* force inodes into 64-bit range */
#define MNTOPT_NOALIGN "noalign" /* turn off stripe alignment */
#define MNTOPT_SWALLOC "swalloc" /* turn on stripe width allocation */
#define MNTOPT_SUNIT "sunit" /* data volume stripe unit */
#define MNTOPT_SWIDTH "swidth" /* data volume stripe width */
#define MNTOPT_NOUUID "nouuid" /* ignore filesystem UUID */
#define MNTOPT_MTPT "mtpt" /* filesystem mount point */
#define MNTOPT_GRPID "grpid" /* group-ID from parent directory */
#define MNTOPT_NOGRPID "nogrpid" /* group-ID from current process */
#define MNTOPT_BSDGROUPS "bsdgroups" /* group-ID from parent directory */
#define MNTOPT_SYSVGROUPS "sysvgroups" /* group-ID from current process */
#define MNTOPT_ALLOCSIZE "allocsize" /* preferred allocation size */
#define MNTOPT_NORECOVERY "norecovery" /* don't run XFS recovery */
#define MNTOPT_BARRIER "barrier" /* use writer barriers for log write and
* unwritten extent conversion */
#define MNTOPT_NOBARRIER "nobarrier" /* .. disable */
#define MNTOPT_OSYNCISOSYNC "osyncisosync" /* o_sync is REALLY o_sync */
#define MNTOPT_64BITINODE "inode64" /* inodes can be allocated anywhere */
#define MNTOPT_IKEEP "ikeep" /* do not free empty inode clusters */
#define MNTOPT_NOIKEEP "noikeep" /* free empty inode clusters */
#define MNTOPT_LARGEIO "largeio" /* report large I/O sizes in stat() */
#define MNTOPT_NOLARGEIO "nolargeio" /* do not report large I/O sizes
* in stat(). */
#define MNTOPT_ATTR2 "attr2" /* do use attr2 attribute format */
#define MNTOPT_NOATTR2 "noattr2" /* do not use attr2 attribute format */
#define MNTOPT_FILESTREAM "filestreams" /* use filestreams allocator */
#define MNTOPT_QUOTA "quota" /* disk quotas (user) */
#define MNTOPT_NOQUOTA "noquota" /* no quotas */
#define MNTOPT_USRQUOTA "usrquota" /* user quota enabled */
#define MNTOPT_GRPQUOTA "grpquota" /* group quota enabled */
#define MNTOPT_PRJQUOTA "prjquota" /* project quota enabled */
#define MNTOPT_UQUOTA "uquota" /* user quota (IRIX variant) */
#define MNTOPT_GQUOTA "gquota" /* group quota (IRIX variant) */
#define MNTOPT_PQUOTA "pquota" /* project quota (IRIX variant) */
#define MNTOPT_UQUOTANOENF "uqnoenforce"/* user quota limit enforcement */
#define MNTOPT_GQUOTANOENF "gqnoenforce"/* group quota limit enforcement */
#define MNTOPT_PQUOTANOENF "pqnoenforce"/* project quota limit enforcement */
#define MNTOPT_QUOTANOENF "qnoenforce" /* same as uqnoenforce */
#define MNTOPT_DMAPI "dmapi" /* DMI enabled (DMAPI / XDSM) */
#define MNTOPT_XDSM "xdsm" /* DMI enabled (DMAPI / XDSM) */
#define MNTOPT_DMI "dmi" /* DMI enabled (DMAPI / XDSM) */
STATIC unsigned long
suffix_strtoul(char *s, char **endp, unsigned int base)
{
int last, shift_left_factor = 0;
char *value = s;
last = strlen(value) - 1;
if (value[last] == 'K' || value[last] == 'k') {
shift_left_factor = 10;
value[last] = '\0';
}
if (value[last] == 'M' || value[last] == 'm') {
shift_left_factor = 20;
value[last] = '\0';
}
if (value[last] == 'G' || value[last] == 'g') {
shift_left_factor = 30;
value[last] = '\0';
}
return simple_strtoul((const char *)s, endp, base) << shift_left_factor;
}
STATIC int
xfs_parseargs(
struct xfs_mount *mp,
char *options,
struct xfs_mount_args *args,
int update)
{
char *this_char, *value, *eov;
int dsunit, dswidth, vol_dsunit, vol_dswidth;
int iosize;
int ikeep = 0;
args->flags |= XFSMNT_BARRIER;
args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
if (!options)
goto done;
iosize = dsunit = dswidth = vol_dsunit = vol_dswidth = 0;
while ((this_char = strsep(&options, ",")) != NULL) {
if (!*this_char)
continue;
if ((value = strchr(this_char, '=')) != NULL)
*value++ = 0;
if (!strcmp(this_char, MNTOPT_LOGBUFS)) {
if (!value || !*value) {
cmn_err(CE_WARN,
"XFS: %s option requires an argument",
this_char);
return EINVAL;
}
args->logbufs = simple_strtoul(value, &eov, 10);
} else if (!strcmp(this_char, MNTOPT_LOGBSIZE)) {
if (!value || !*value) {
cmn_err(CE_WARN,
"XFS: %s option requires an argument",
this_char);
return EINVAL;
}
args->logbufsize = suffix_strtoul(value, &eov, 10);
} else if (!strcmp(this_char, MNTOPT_LOGDEV)) {
if (!value || !*value) {
cmn_err(CE_WARN,
"XFS: %s option requires an argument",
this_char);
return EINVAL;
}
strncpy(args->logname, value, MAXNAMELEN);
} else if (!strcmp(this_char, MNTOPT_MTPT)) {
if (!value || !*value) {
cmn_err(CE_WARN,
"XFS: %s option requires an argument",
this_char);
return EINVAL;
}
strncpy(args->mtpt, value, MAXNAMELEN);
} else if (!strcmp(this_char, MNTOPT_RTDEV)) {
if (!value || !*value) {
cmn_err(CE_WARN,
"XFS: %s option requires an argument",
this_char);
return EINVAL;
}
strncpy(args->rtname, value, MAXNAMELEN);
} else if (!strcmp(this_char, MNTOPT_BIOSIZE)) {
if (!value || !*value) {
cmn_err(CE_WARN,
"XFS: %s option requires an argument",
this_char);
return EINVAL;
}
iosize = simple_strtoul(value, &eov, 10);
args->flags |= XFSMNT_IOSIZE;
args->iosizelog = (uint8_t) iosize;
} else if (!strcmp(this_char, MNTOPT_ALLOCSIZE)) {
if (!value || !*value) {
cmn_err(CE_WARN,
"XFS: %s option requires an argument",
this_char);
return EINVAL;
}
iosize = suffix_strtoul(value, &eov, 10);
args->flags |= XFSMNT_IOSIZE;
args->iosizelog = ffs(iosize) - 1;
} else if (!strcmp(this_char, MNTOPT_GRPID) ||
!strcmp(this_char, MNTOPT_BSDGROUPS)) {
mp->m_flags |= XFS_MOUNT_GRPID;
} else if (!strcmp(this_char, MNTOPT_NOGRPID) ||
!strcmp(this_char, MNTOPT_SYSVGROUPS)) {
mp->m_flags &= ~XFS_MOUNT_GRPID;
} else if (!strcmp(this_char, MNTOPT_WSYNC)) {
args->flags |= XFSMNT_WSYNC;
} else if (!strcmp(this_char, MNTOPT_OSYNCISOSYNC)) {
args->flags |= XFSMNT_OSYNCISOSYNC;
} else if (!strcmp(this_char, MNTOPT_NORECOVERY)) {
args->flags |= XFSMNT_NORECOVERY;
} else if (!strcmp(this_char, MNTOPT_INO64)) {
args->flags |= XFSMNT_INO64;
#if !XFS_BIG_INUMS
cmn_err(CE_WARN,
"XFS: %s option not allowed on this system",
this_char);
return EINVAL;
#endif
} else if (!strcmp(this_char, MNTOPT_NOALIGN)) {
args->flags |= XFSMNT_NOALIGN;
} else if (!strcmp(this_char, MNTOPT_SWALLOC)) {
args->flags |= XFSMNT_SWALLOC;
} else if (!strcmp(this_char, MNTOPT_SUNIT)) {
if (!value || !*value) {
cmn_err(CE_WARN,
"XFS: %s option requires an argument",
this_char);
return EINVAL;
}
dsunit = simple_strtoul(value, &eov, 10);
} else if (!strcmp(this_char, MNTOPT_SWIDTH)) {
if (!value || !*value) {
cmn_err(CE_WARN,
"XFS: %s option requires an argument",
this_char);
return EINVAL;
}
dswidth = simple_strtoul(value, &eov, 10);
} else if (!strcmp(this_char, MNTOPT_64BITINODE)) {
args->flags &= ~XFSMNT_32BITINODES;
#if !XFS_BIG_INUMS
cmn_err(CE_WARN,
"XFS: %s option not allowed on this system",
this_char);
return EINVAL;
#endif
} else if (!strcmp(this_char, MNTOPT_NOUUID)) {
args->flags |= XFSMNT_NOUUID;
} else if (!strcmp(this_char, MNTOPT_BARRIER)) {
args->flags |= XFSMNT_BARRIER;
} else if (!strcmp(this_char, MNTOPT_NOBARRIER)) {
args->flags &= ~XFSMNT_BARRIER;
} else if (!strcmp(this_char, MNTOPT_IKEEP)) {
ikeep = 1;
args->flags &= ~XFSMNT_IDELETE;
} else if (!strcmp(this_char, MNTOPT_NOIKEEP)) {
args->flags |= XFSMNT_IDELETE;
} else if (!strcmp(this_char, MNTOPT_LARGEIO)) {
args->flags2 &= ~XFSMNT2_COMPAT_IOSIZE;
} else if (!strcmp(this_char, MNTOPT_NOLARGEIO)) {
args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
} else if (!strcmp(this_char, MNTOPT_ATTR2)) {
args->flags |= XFSMNT_ATTR2;
} else if (!strcmp(this_char, MNTOPT_NOATTR2)) {
args->flags &= ~XFSMNT_ATTR2;
} else if (!strcmp(this_char, MNTOPT_FILESTREAM)) {
args->flags2 |= XFSMNT2_FILESTREAMS;
} else if (!strcmp(this_char, MNTOPT_NOQUOTA)) {
args->flags &= ~(XFSMNT_UQUOTAENF|XFSMNT_UQUOTA);
args->flags &= ~(XFSMNT_GQUOTAENF|XFSMNT_GQUOTA);
} else if (!strcmp(this_char, MNTOPT_QUOTA) ||
!strcmp(this_char, MNTOPT_UQUOTA) ||
!strcmp(this_char, MNTOPT_USRQUOTA)) {
args->flags |= XFSMNT_UQUOTA | XFSMNT_UQUOTAENF;
} else if (!strcmp(this_char, MNTOPT_QUOTANOENF) ||
!strcmp(this_char, MNTOPT_UQUOTANOENF)) {
args->flags |= XFSMNT_UQUOTA;
args->flags &= ~XFSMNT_UQUOTAENF;
} else if (!strcmp(this_char, MNTOPT_PQUOTA) ||
!strcmp(this_char, MNTOPT_PRJQUOTA)) {
args->flags |= XFSMNT_PQUOTA | XFSMNT_PQUOTAENF;
} else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) {
args->flags |= XFSMNT_PQUOTA;
args->flags &= ~XFSMNT_PQUOTAENF;
} else if (!strcmp(this_char, MNTOPT_GQUOTA) ||
!strcmp(this_char, MNTOPT_GRPQUOTA)) {
args->flags |= XFSMNT_GQUOTA | XFSMNT_GQUOTAENF;
} else if (!strcmp(this_char, MNTOPT_GQUOTANOENF)) {
args->flags |= XFSMNT_GQUOTA;
args->flags &= ~XFSMNT_GQUOTAENF;
} else if (!strcmp(this_char, MNTOPT_DMAPI)) {
args->flags |= XFSMNT_DMAPI;
} else if (!strcmp(this_char, MNTOPT_XDSM)) {
args->flags |= XFSMNT_DMAPI;
} else if (!strcmp(this_char, MNTOPT_DMI)) {
args->flags |= XFSMNT_DMAPI;
} else if (!strcmp(this_char, "ihashsize")) {
cmn_err(CE_WARN,
"XFS: ihashsize no longer used, option is deprecated.");
} else if (!strcmp(this_char, "osyncisdsync")) {
/* no-op, this is now the default */
cmn_err(CE_WARN,
"XFS: osyncisdsync is now the default, option is deprecated.");
} else if (!strcmp(this_char, "irixsgid")) {
cmn_err(CE_WARN,
"XFS: irixsgid is now a sysctl(2) variable, option is deprecated.");
} else {
cmn_err(CE_WARN,
"XFS: unknown mount option [%s].", this_char);
return EINVAL;
}
}
if (args->flags & XFSMNT_NORECOVERY) {
if ((mp->m_flags & XFS_MOUNT_RDONLY) == 0) {
cmn_err(CE_WARN,
"XFS: no-recovery mounts must be read-only.");
return EINVAL;
}
}
if ((args->flags & XFSMNT_NOALIGN) && (dsunit || dswidth)) {
cmn_err(CE_WARN,
"XFS: sunit and swidth options incompatible with the noalign option");
return EINVAL;
}
if ((args->flags & XFSMNT_GQUOTA) && (args->flags & XFSMNT_PQUOTA)) {
cmn_err(CE_WARN,
"XFS: cannot mount with both project and group quota");
return EINVAL;
}
if ((args->flags & XFSMNT_DMAPI) && *args->mtpt == '\0') {
printk("XFS: %s option needs the mount point option as well\n",
MNTOPT_DMAPI);
return EINVAL;
}
if ((dsunit && !dswidth) || (!dsunit && dswidth)) {
cmn_err(CE_WARN,
"XFS: sunit and swidth must be specified together");
return EINVAL;
}
if (dsunit && (dswidth % dsunit != 0)) {
cmn_err(CE_WARN,
"XFS: stripe width (%d) must be a multiple of the stripe unit (%d)",
dswidth, dsunit);
return EINVAL;
}
/*
* Applications using DMI filesystems often expect the
* inode generation number to be monotonically increasing.
* If we delete inode chunks we break this assumption, so
* keep unused inode chunks on disk for DMI filesystems
* until we come up with a better solution.
* Note that if "ikeep" or "noikeep" mount options are
* supplied, then they are honored.
*/
if (!(args->flags & XFSMNT_DMAPI) && !ikeep)
args->flags |= XFSMNT_IDELETE;
if ((args->flags & XFSMNT_NOALIGN) != XFSMNT_NOALIGN) {
if (dsunit) {
args->sunit = dsunit;
args->flags |= XFSMNT_RETERR;
} else {
args->sunit = vol_dsunit;
}
dswidth ? (args->swidth = dswidth) :
(args->swidth = vol_dswidth);
} else {
args->sunit = args->swidth = 0;
}
done:
if (args->flags & XFSMNT_32BITINODES)
mp->m_flags |= XFS_MOUNT_SMALL_INUMS;
if (args->flags2)
args->flags |= XFSMNT_FLAGS2;
return 0;
}
struct proc_xfs_info {
int flag;
char *str;
};
STATIC int
xfs_showargs(
struct xfs_mount *mp,
struct seq_file *m)
{
static struct proc_xfs_info xfs_info_set[] = {
/* the few simple ones we can get from the mount struct */
{ XFS_MOUNT_WSYNC, "," MNTOPT_WSYNC },
{ XFS_MOUNT_INO64, "," MNTOPT_INO64 },
{ XFS_MOUNT_NOALIGN, "," MNTOPT_NOALIGN },
{ XFS_MOUNT_SWALLOC, "," MNTOPT_SWALLOC },
{ XFS_MOUNT_NOUUID, "," MNTOPT_NOUUID },
{ XFS_MOUNT_NORECOVERY, "," MNTOPT_NORECOVERY },
{ XFS_MOUNT_OSYNCISOSYNC, "," MNTOPT_OSYNCISOSYNC },
{ XFS_MOUNT_ATTR2, "," MNTOPT_ATTR2 },
{ XFS_MOUNT_FILESTREAMS, "," MNTOPT_FILESTREAM },
{ XFS_MOUNT_DMAPI, "," MNTOPT_DMAPI },
{ XFS_MOUNT_GRPID, "," MNTOPT_GRPID },
{ 0, NULL }
};
static struct proc_xfs_info xfs_info_unset[] = {
/* the few simple ones we can get from the mount struct */
{ XFS_MOUNT_IDELETE, "," MNTOPT_IKEEP },
{ XFS_MOUNT_COMPAT_IOSIZE, "," MNTOPT_LARGEIO },
{ XFS_MOUNT_BARRIER, "," MNTOPT_NOBARRIER },
{ XFS_MOUNT_SMALL_INUMS, "," MNTOPT_64BITINODE },
{ 0, NULL }
};
struct proc_xfs_info *xfs_infop;
for (xfs_infop = xfs_info_set; xfs_infop->flag; xfs_infop++) {
if (mp->m_flags & xfs_infop->flag)
seq_puts(m, xfs_infop->str);
}
for (xfs_infop = xfs_info_unset; xfs_infop->flag; xfs_infop++) {
if (!(mp->m_flags & xfs_infop->flag))
seq_puts(m, xfs_infop->str);
}
if (mp->m_flags & XFS_MOUNT_DFLT_IOSIZE)
seq_printf(m, "," MNTOPT_ALLOCSIZE "=%dk",
(int)(1 << mp->m_writeio_log) >> 10);
if (mp->m_logbufs > 0)
seq_printf(m, "," MNTOPT_LOGBUFS "=%d", mp->m_logbufs);
if (mp->m_logbsize > 0)
seq_printf(m, "," MNTOPT_LOGBSIZE "=%dk", mp->m_logbsize >> 10);
if (mp->m_logname)
seq_printf(m, "," MNTOPT_LOGDEV "=%s", mp->m_logname);
if (mp->m_rtname)
seq_printf(m, "," MNTOPT_RTDEV "=%s", mp->m_rtname);
if (mp->m_dalign > 0)
seq_printf(m, "," MNTOPT_SUNIT "=%d",
(int)XFS_FSB_TO_BB(mp, mp->m_dalign));
if (mp->m_swidth > 0)
seq_printf(m, "," MNTOPT_SWIDTH "=%d",
(int)XFS_FSB_TO_BB(mp, mp->m_swidth));
if (mp->m_qflags & (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD))
seq_puts(m, "," MNTOPT_USRQUOTA);
else if (mp->m_qflags & XFS_UQUOTA_ACCT)
seq_puts(m, "," MNTOPT_UQUOTANOENF);
if (mp->m_qflags & (XFS_PQUOTA_ACCT|XFS_OQUOTA_ENFD))
seq_puts(m, "," MNTOPT_PRJQUOTA);
else if (mp->m_qflags & XFS_PQUOTA_ACCT)
seq_puts(m, "," MNTOPT_PQUOTANOENF);
if (mp->m_qflags & (XFS_GQUOTA_ACCT|XFS_OQUOTA_ENFD))
seq_puts(m, "," MNTOPT_GRPQUOTA);
else if (mp->m_qflags & XFS_GQUOTA_ACCT)
seq_puts(m, "," MNTOPT_GQUOTANOENF);
if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT))
seq_puts(m, "," MNTOPT_NOQUOTA);
return 0;
}
__uint64_t
xfs_max_file_offset(
unsigned int blockshift)
@@ -137,7 +569,7 @@ xfs_set_inodeops(
break;
case S_IFLNK:
inode->i_op = &xfs_symlink_inode_operations;
if (inode->i_blocks)
if (!(XFS_I(inode)->i_df.if_flags & XFS_IFINLINE))
inode->i_mapping->a_ops = &xfs_address_space_operations;
break;
default:
@@ -174,8 +606,6 @@ xfs_revalidate_inode(
inode->i_generation = ip->i_d.di_gen;
i_size_write(inode, ip->i_d.di_size);
inode->i_blocks =
XFS_FSB_TO_BB(mp, ip->i_d.di_nblocks + ip->i_delayed_blks);
inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec;
inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec;
inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
@@ -334,6 +764,64 @@ xfs_blkdev_issue_flush(
blkdev_issue_flush(buftarg->bt_bdev, NULL);
}
/*
* XFS AIL push thread support
*/
void
xfsaild_wakeup(
xfs_mount_t *mp,
xfs_lsn_t threshold_lsn)
{
mp->m_ail.xa_target = threshold_lsn;
wake_up_process(mp->m_ail.xa_task);
}
int
xfsaild(
void *data)
{
xfs_mount_t *mp = (xfs_mount_t *)data;
xfs_lsn_t last_pushed_lsn = 0;
long tout = 0;
while (!kthread_should_stop()) {
if (tout)
schedule_timeout_interruptible(msecs_to_jiffies(tout));
tout = 1000;
/* swsusp */
try_to_freeze();
ASSERT(mp->m_log);
if (XFS_FORCED_SHUTDOWN(mp))
continue;
tout = xfsaild_push(mp, &last_pushed_lsn);
}
return 0;
} /* xfsaild */
int
xfsaild_start(
xfs_mount_t *mp)
{
mp->m_ail.xa_target = 0;
mp->m_ail.xa_task = kthread_run(xfsaild, mp, "xfsaild");
if (IS_ERR(mp->m_ail.xa_task))
return -PTR_ERR(mp->m_ail.xa_task);
return 0;
}
void
xfsaild_stop(
xfs_mount_t *mp)
{
kthread_stop(mp->m_ail.xa_task);
}
STATIC struct inode *
xfs_fs_alloc_inode(
struct super_block *sb)
@@ -361,7 +849,7 @@ xfs_fs_inode_init_once(
inode_init_once(vn_to_inode((bhv_vnode_t *)vnode));
}
STATIC int
STATIC int __init
xfs_init_zones(void)
{
xfs_vnode_zone = kmem_zone_init_flags(sizeof(bhv_vnode_t), "xfs_vnode",
@@ -410,8 +898,7 @@ xfs_fs_write_inode(
{
int error = 0, flags = FLUSH_INODE;
vn_trace_entry(XFS_I(inode), __FUNCTION__,
(inst_t *)__return_address);
xfs_itrace_entry(XFS_I(inode));
if (sync) {
filemap_fdatawait(inode->i_mapping);
flags |= FLUSH_SYNC;
@@ -438,8 +925,7 @@ xfs_fs_clear_inode(
* find an inode with di_mode == 0 but without IGET_CREATE set.
*/
if (ip) {
vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address);
xfs_itrace_entry(ip);
XFS_STATS_INC(vn_rele);
XFS_STATS_INC(vn_remove);
XFS_STATS_INC(vn_reclaim);
@@ -683,8 +1169,44 @@ xfs_fs_statfs(
struct dentry *dentry,
struct kstatfs *statp)
{
return -xfs_statvfs(XFS_M(dentry->d_sb), statp,
vn_from_inode(dentry->d_inode));
struct xfs_mount *mp = XFS_M(dentry->d_sb);
xfs_sb_t *sbp = &mp->m_sb;
__uint64_t fakeinos, id;
xfs_extlen_t lsize;
statp->f_type = XFS_SB_MAGIC;
statp->f_namelen = MAXNAMELEN - 1;
id = huge_encode_dev(mp->m_ddev_targp->bt_dev);
statp->f_fsid.val[0] = (u32)id;
statp->f_fsid.val[1] = (u32)(id >> 32);
xfs_icsb_sync_counters_flags(mp, XFS_ICSB_LAZY_COUNT);
spin_lock(&mp->m_sb_lock);
statp->f_bsize = sbp->sb_blocksize;
lsize = sbp->sb_logstart ? sbp->sb_logblocks : 0;
statp->f_blocks = sbp->sb_dblocks - lsize;
statp->f_bfree = statp->f_bavail =
sbp->sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp);
fakeinos = statp->f_bfree << sbp->sb_inopblog;
#if XFS_BIG_INUMS
fakeinos += mp->m_inoadd;
#endif
statp->f_files =
MIN(sbp->sb_icount + fakeinos, (__uint64_t)XFS_MAXINUMBER);
if (mp->m_maxicount)
#if XFS_BIG_INUMS
if (!mp->m_inoadd)
#endif
statp->f_files = min_t(typeof(statp->f_files),
statp->f_files,
mp->m_maxicount);
statp->f_ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
spin_unlock(&mp->m_sb_lock);
XFS_QM_DQSTATVFS(XFS_I(dentry->d_inode), statp);
return 0;
}
STATIC int
@@ -704,11 +1226,19 @@ xfs_fs_remount(
return -error;
}
/*
* Second stage of a freeze. The data is already frozen so we only
* need to take care of themetadata. Once that's done write a dummy
* record to dirty the log in case of a crash while frozen.
*/
STATIC void
xfs_fs_lockfs(
struct super_block *sb)
{
xfs_freeze(XFS_M(sb));
struct xfs_mount *mp = XFS_M(sb);
xfs_attr_quiesce(mp);
xfs_fs_log_dummy(mp);
}
STATIC int
@@ -779,7 +1309,6 @@ xfs_fs_fill_super(
struct inode *rootvp;
struct xfs_mount *mp = NULL;
struct xfs_mount_args *args = xfs_args_allocate(sb, silent);
struct kstatfs statvfs;
int error;
mp = xfs_mount_init();
@@ -807,21 +1336,19 @@ xfs_fs_fill_super(
if (error)
goto fail_vfsop;
error = xfs_statvfs(mp, &statvfs, NULL);
if (error)
goto fail_unmount;
sb->s_dirt = 1;
sb->s_magic = statvfs.f_type;
sb->s_blocksize = statvfs.f_bsize;
sb->s_blocksize_bits = ffs(statvfs.f_bsize) - 1;
sb->s_magic = XFS_SB_MAGIC;
sb->s_blocksize = mp->m_sb.sb_blocksize;
sb->s_blocksize_bits = ffs(sb->s_blocksize) - 1;
sb->s_maxbytes = xfs_max_file_offset(sb->s_blocksize_bits);
sb->s_time_gran = 1;
set_posix_acl_flag(sb);
error = xfs_root(mp, &rootvp);
if (error)
rootvp = igrab(mp->m_rootip->i_vnode);
if (!rootvp) {
error = ENOENT;
goto fail_unmount;
}
sb->s_root = d_alloc_root(vn_to_inode(rootvp));
if (!sb->s_root) {
@@ -841,8 +1368,7 @@ xfs_fs_fill_super(
goto fail_vnrele;
}
vn_trace_exit(XFS_I(sb->s_root->d_inode), __FUNCTION__,
(inst_t *)__return_address);
xfs_itrace_exit(XFS_I(sb->s_root->d_inode));
kmem_free(args, sizeof(*args));
return 0;

115
fs/xfs/linux-2.6/xfs_vnode.c
View File

@@ -40,7 +40,7 @@
#define vptosync(v) (&vsync[((unsigned long)v) % NVSYNC])
static wait_queue_head_t vsync[NVSYNC];
void
void __init
vn_init(void)
{
int i;
@@ -82,84 +82,55 @@ vn_ioerror(
xfs_do_force_shutdown(ip->i_mount, SHUTDOWN_DEVICE_REQ, f, l);
}
bhv_vnode_t *
vn_initialize(
struct inode *inode)
{
bhv_vnode_t *vp = vn_from_inode(inode);
XFS_STATS_INC(vn_active);
XFS_STATS_INC(vn_alloc);
ASSERT(VN_CACHED(vp) == 0);
return vp;
}
/*
* Revalidate the Linux inode from the vattr.
* Revalidate the Linux inode from the XFS inode.
* Note: i_size _not_ updated; we must hold the inode
* semaphore when doing that - callers responsibility.
*/
void
vn_revalidate_core(
bhv_vnode_t *vp,
bhv_vattr_t *vap)
int
vn_revalidate(
bhv_vnode_t *vp)
{
struct inode *inode = vn_to_inode(vp);
struct inode *inode = vn_to_inode(vp);
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
unsigned long xflags;
inode->i_mode = vap->va_mode;
inode->i_nlink = vap->va_nlink;
inode->i_uid = vap->va_uid;
inode->i_gid = vap->va_gid;
inode->i_blocks = vap->va_nblocks;
inode->i_mtime = vap->va_mtime;
inode->i_ctime = vap->va_ctime;
if (vap->va_xflags & XFS_XFLAG_IMMUTABLE)
xfs_itrace_entry(ip);
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
xfs_ilock(ip, XFS_ILOCK_SHARED);
inode->i_mode = ip->i_d.di_mode;
inode->i_uid = ip->i_d.di_uid;
inode->i_gid = ip->i_d.di_gid;
inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
xflags = xfs_ip2xflags(ip);
if (xflags & XFS_XFLAG_IMMUTABLE)
inode->i_flags |= S_IMMUTABLE;
else
inode->i_flags &= ~S_IMMUTABLE;
if (vap->va_xflags & XFS_XFLAG_APPEND)
if (xflags & XFS_XFLAG_APPEND)
inode->i_flags |= S_APPEND;
else
inode->i_flags &= ~S_APPEND;
if (vap->va_xflags & XFS_XFLAG_SYNC)
if (xflags & XFS_XFLAG_SYNC)
inode->i_flags |= S_SYNC;
else
inode->i_flags &= ~S_SYNC;
if (vap->va_xflags & XFS_XFLAG_NOATIME)
if (xflags & XFS_XFLAG_NOATIME)
inode->i_flags |= S_NOATIME;
else
inode->i_flags &= ~S_NOATIME;
}
xfs_iunlock(ip, XFS_ILOCK_SHARED);
/*
* Revalidate the Linux inode from the vnode.
*/
int
__vn_revalidate(
bhv_vnode_t *vp,
bhv_vattr_t *vattr)
{
int error;
vn_trace_entry(xfs_vtoi(vp), __FUNCTION__, (inst_t *)__return_address);
vattr->va_mask = XFS_AT_STAT | XFS_AT_XFLAGS;
error = xfs_getattr(xfs_vtoi(vp), vattr, 0);
if (likely(!error)) {
vn_revalidate_core(vp, vattr);
xfs_iflags_clear(xfs_vtoi(vp), XFS_IMODIFIED);
}
return -error;
}
int
vn_revalidate(
bhv_vnode_t *vp)
{
bhv_vattr_t vattr;
return __vn_revalidate(vp, &vattr);
xfs_iflags_clear(ip, XFS_IMODIFIED);
return 0;
}
/*
@@ -179,7 +150,7 @@ vn_hold(
return vp;
}
#ifdef XFS_VNODE_TRACE
#ifdef XFS_INODE_TRACE
/*
* Reference count of Linux inode if present, -1 if the xfs_inode
@@ -211,32 +182,32 @@ static inline int xfs_icount(struct xfs_inode *ip)
* Vnode tracing code.
*/
void
vn_trace_entry(xfs_inode_t *ip, const char *func, inst_t *ra)
_xfs_itrace_entry(xfs_inode_t *ip, const char *func, inst_t *ra)
{
KTRACE_ENTER(ip, VNODE_KTRACE_ENTRY, func, 0, ra);
KTRACE_ENTER(ip, INODE_KTRACE_ENTRY, func, 0, ra);
}
void
vn_trace_exit(xfs_inode_t *ip, const char *func, inst_t *ra)
_xfs_itrace_exit(xfs_inode_t *ip, const char *func, inst_t *ra)
{
KTRACE_ENTER(ip, VNODE_KTRACE_EXIT, func, 0, ra);
KTRACE_ENTER(ip, INODE_KTRACE_EXIT, func, 0, ra);
}
void
vn_trace_hold(xfs_inode_t *ip, char *file, int line, inst_t *ra)
xfs_itrace_hold(xfs_inode_t *ip, char *file, int line, inst_t *ra)
{
KTRACE_ENTER(ip, VNODE_KTRACE_HOLD, file, line, ra);
KTRACE_ENTER(ip, INODE_KTRACE_HOLD, file, line, ra);
}
void
vn_trace_ref(xfs_inode_t *ip, char *file, int line, inst_t *ra)
_xfs_itrace_ref(xfs_inode_t *ip, char *file, int line, inst_t *ra)
{
KTRACE_ENTER(ip, VNODE_KTRACE_REF, file, line, ra);
KTRACE_ENTER(ip, INODE_KTRACE_REF, file, line, ra);
}
void
vn_trace_rele(xfs_inode_t *ip, char *file, int line, inst_t *ra)
xfs_itrace_rele(xfs_inode_t *ip, char *file, int line, inst_t *ra)
{
KTRACE_ENTER(ip, VNODE_KTRACE_RELE, file, line, ra);
KTRACE_ENTER(ip, INODE_KTRACE_RELE, file, line, ra);
}
#endif /* XFS_VNODE_TRACE */
#endif /* XFS_INODE_TRACE */

58
fs/xfs/linux-2.6/xfs_vnode.h
View File

@@ -187,10 +187,7 @@ typedef struct bhv_vattr {
(VN_ISREG(vp) && ((mode) & (VSGID|(VEXEC>>3))) == VSGID)
extern void vn_init(void);
extern bhv_vnode_t *vn_initialize(struct inode *);
extern int vn_revalidate(bhv_vnode_t *);
extern int __vn_revalidate(bhv_vnode_t *, bhv_vattr_t *);
extern void vn_revalidate_core(bhv_vnode_t *, bhv_vattr_t *);
/*
* Yeah, these don't take vnode anymore at all, all this should be
@@ -210,12 +207,12 @@ static inline int vn_count(bhv_vnode_t *vp)
*/
extern bhv_vnode_t *vn_hold(bhv_vnode_t *);
#if defined(XFS_VNODE_TRACE)
#if defined(XFS_INODE_TRACE)
#define VN_HOLD(vp) \
((void)vn_hold(vp), \
vn_trace_hold(xfs_vtoi(vp), __FILE__, __LINE__, (inst_t *)__return_address))
xfs_itrace_hold(xfs_vtoi(vp), __FILE__, __LINE__, (inst_t *)__return_address))
#define VN_RELE(vp) \
(vn_trace_rele(xfs_vtoi(vp), __FILE__, __LINE__, (inst_t *)__return_address), \
(xfs_itrace_rele(xfs_vtoi(vp), __FILE__, __LINE__, (inst_t *)__return_address), \
iput(vn_to_inode(vp)))
#else
#define VN_HOLD(vp) ((void)vn_hold(vp))
@@ -238,11 +235,6 @@ static inline bhv_vnode_t *vn_grab(bhv_vnode_t *vp)
/*
* Dealing with bad inodes
*/
static inline void vn_mark_bad(bhv_vnode_t *vp)
{
make_bad_inode(vn_to_inode(vp));
}
static inline int VN_BAD(bhv_vnode_t *vp)
{
return is_bad_inode(vn_to_inode(vp));
@@ -296,26 +288,36 @@ static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt)
/*
* Tracking vnode activity.
*/
#if defined(XFS_VNODE_TRACE)
#if defined(XFS_INODE_TRACE)
#define VNODE_TRACE_SIZE 16 /* number of trace entries */
#define VNODE_KTRACE_ENTRY 1
#define VNODE_KTRACE_EXIT 2
#define VNODE_KTRACE_HOLD 3
#define VNODE_KTRACE_REF 4
#define VNODE_KTRACE_RELE 5
#define INODE_TRACE_SIZE 16 /* number of trace entries */
#define INODE_KTRACE_ENTRY 1
#define INODE_KTRACE_EXIT 2
#define INODE_KTRACE_HOLD 3
#define INODE_KTRACE_REF 4
#define INODE_KTRACE_RELE 5
extern void _xfs_itrace_entry(struct xfs_inode *, const char *, inst_t *);
extern void _xfs_itrace_exit(struct xfs_inode *, const char *, inst_t *);
extern void xfs_itrace_hold(struct xfs_inode *, char *, int, inst_t *);
extern void _xfs_itrace_ref(struct xfs_inode *, char *, int, inst_t *);
extern void xfs_itrace_rele(struct xfs_inode *, char *, int, inst_t *);
#define xfs_itrace_entry(ip) \
_xfs_itrace_entry(ip, __FUNCTION__, (inst_t *)__return_address)
#define xfs_itrace_exit(ip) \
_xfs_itrace_exit(ip, __FUNCTION__, (inst_t *)__return_address)
#define xfs_itrace_exit_tag(ip, tag) \
_xfs_itrace_exit(ip, tag, (inst_t *)__return_address)
#define xfs_itrace_ref(ip) \
_xfs_itrace_ref(ip, __FILE__, __LINE__, (inst_t *)__return_address)
extern void vn_trace_entry(struct xfs_inode *, const char *, inst_t *);
extern void vn_trace_exit(struct xfs_inode *, const char *, inst_t *);
extern void vn_trace_hold(struct xfs_inode *, char *, int, inst_t *);
extern void vn_trace_ref(struct xfs_inode *, char *, int, inst_t *);
extern void vn_trace_rele(struct xfs_inode *, char *, int, inst_t *);
#else
#define vn_trace_entry(a,b,c)
#define vn_trace_exit(a,b,c)
#define vn_trace_hold(a,b,c,d)
#define vn_trace_ref(a,b,c,d)
#define vn_trace_rele(a,b,c,d)
#define xfs_itrace_entry(a)
#define xfs_itrace_exit(a)
#define xfs_itrace_exit_tag(a, b)
#define xfs_itrace_hold(a, b, c, d)
#define xfs_itrace_ref(a)
#define xfs_itrace_rele(a, b, c, d)
#endif
#endif /* __XFS_VNODE_H__ */