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

[XFS] kill the v_flag member in struct bhv_vnode

Browse Source 
All flags previously handled at the vnode level are not in the xfs_inode
where we already have a flags mechanisms and free bits for flags
previously in the vnode.

SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29495a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig
2007-08-29 11:44:37 +10:00
committed by Tim Shimmin
parent 2f6f7b3d9b
commit b3aea4edc2
11 changed files with 33 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
fs/xfs/linux-2.6/xfs_vnode.h
View File

@@ -27,20 +27,8 @@ struct attrlist_cursor_kern;
typedef struct dentry bhv_vname_t;
typedef __u64 bhv_vnumber_t;
typedef enum bhv_vflags {
VMODIFIED = 0x08, /* XFS inode state possibly differs */
/* to the Linux inode state. */
VTRUNCATED = 0x40, /* truncated down so flush-on-close */
} bhv_vflags_t;
/*
* MP locking protocols:
* v_flag, VN_LOCK/VN_UNLOCK
*/
typedef struct bhv_vnode {
bhv_vflags_t v_flag; /* vnode flags (see above) */
bhv_vnumber_t v_number; /* in-core vnode number */
spinlock_t v_lock; /* VN_LOCK/VN_UNLOCK */
atomic_t v_iocount; /* outstanding I/O count */
#ifdef XFS_VNODE_TRACE
struct ktrace *v_trace; /* trace header structure */
@@ -254,35 +242,6 @@ static inline struct bhv_vnode *vn_grab(struct bhv_vnode *vp)
#define VNAMELEN(dentry) ((dentry)->d_name.len)
#define VNAME_TO_VNODE(dentry) (vn_from_inode((dentry)->d_inode))
/*
* Vnode spinlock manipulation.
*/
#define VN_LOCK(vp) mutex_spinlock(&(vp)->v_lock)
#define VN_UNLOCK(vp, s) mutex_spinunlock(&(vp)->v_lock, s)
STATIC_INLINE void vn_flagset(struct bhv_vnode *vp, uint flag)
{
spin_lock(&vp->v_lock);
vp->v_flag |= flag;
spin_unlock(&vp->v_lock);
}
STATIC_INLINE uint vn_flagclr(struct bhv_vnode *vp, uint flag)
{
uint cleared;
spin_lock(&vp->v_lock);
cleared = (vp->v_flag & flag);
vp->v_flag &= ~flag;
spin_unlock(&vp->v_lock);
return cleared;
}
#define VMODIFY(vp) vn_flagset(vp, VMODIFIED)
#define VUNMODIFY(vp) vn_flagclr(vp, VMODIFIED)
#define VTRUNCATE(vp) vn_flagset(vp, VTRUNCATED)
#define VUNTRUNCATE(vp) vn_flagclr(vp, VTRUNCATED)
/*
* Dealing with bad inodes
*/
@@ -322,7 +281,6 @@ static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt)
#define VN_CACHED(vp) (vn_to_inode(vp)->i_mapping->nrpages)
#define VN_DIRTY(vp) mapping_tagged(vn_to_inode(vp)->i_mapping, \
PAGECACHE_TAG_DIRTY)
#define VN_TRUNC(vp) ((vp)->v_flag & VTRUNCATED)
/*
* Flags to vop_setattr/getattr.