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

xfs: kill XBF_LOCK

Browse Source 
Buffers are always returned locked from the lookup routines. Hence
we don't need to tell the lookup routines to return locked buffers,
on to try and lock them. Remove XBF_LOCK from all the callers and
from internal buffer cache usage.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Dave Chinner
2012-04-23 15:58:54 +10:00
committed by Ben Myers
parent 795cac72e9
commit a8acad7073
11 changed files with 29 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
fs/xfs/xfs_inode.c
View File

@@ -226,7 +226,7 @@ xfs_inotobp(
if (error)
return error;
error = xfs_imap_to_bp(mp, tp, &imap, &bp, XBF_LOCK, imap_flags);
error = xfs_imap_to_bp(mp, tp, &imap, &bp, 0, imap_flags);
if (error)
return error;
@@ -782,8 +782,7 @@ xfs_iread(
/*
* Get pointers to the on-disk inode and the buffer containing it.
*/
error = xfs_imap_to_bp(mp, tp, &ip->i_imap, &bp,
XBF_LOCK, iget_flags);
error = xfs_imap_to_bp(mp, tp, &ip->i_imap, &bp, 0, iget_flags);
if (error)
return error;
dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset);
@@ -1342,7 +1341,7 @@ xfs_iunlink(
* Here we put the head pointer into our next pointer,
* and then we fall through to point the head at us.
*/
error = xfs_itobp(mp, tp, ip, &dip, &ibp, XBF_LOCK);
error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0);
if (error)
return error;
@@ -1423,7 +1422,7 @@ xfs_iunlink_remove(
* of dealing with the buffer when there is no need to
* change it.
*/
error = xfs_itobp(mp, tp, ip, &dip, &ibp, XBF_LOCK);
error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0);
if (error) {
xfs_warn(mp, "%s: xfs_itobp() returned error %d.",
__func__, error);
@@ -1484,7 +1483,7 @@ xfs_iunlink_remove(
* Now last_ibp points to the buffer previous to us on
* the unlinked list. Pull us from the list.
*/
error = xfs_itobp(mp, tp, ip, &dip, &ibp, XBF_LOCK);
error = xfs_itobp(mp, tp, ip, &dip, &ibp, 0);
if (error) {
xfs_warn(mp, "%s: xfs_itobp(2) returned error %d.",
__func__, error);
@@ -1566,8 +1565,7 @@ xfs_ifree_cluster(
* to mark all the active inodes on the buffer stale.
*/
bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, blkno,
mp->m_bsize * blks_per_cluster,
XBF_LOCK);
mp->m_bsize * blks_per_cluster, 0);
if (!bp)
return ENOMEM;
@@ -1737,7 +1735,7 @@ xfs_ifree(
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
error = xfs_itobp(ip->i_mount, tp, ip, &dip, &ibp, XBF_LOCK);
error = xfs_itobp(ip->i_mount, tp, ip, &dip, &ibp, 0);
if (error)
return error;