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xfs: remove buffers from the delwri list in xfs_buf_stale 

For each call to xfs_buf_stale we call xfs_buf_delwri_dequeue either
directly before or after it, or are guaranteed by the surrounding
conditionals that we are never called on delwri buffers.  Simply
this situation by moving the call to xfs_buf_delwri_dequeue into
xfs_buf_stale.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
Christoph Hellwig 2011-10-10 16:52:47 +00:00 committed by Alex Elder
parent c867cb6164
commit af5c4bee49
5 changed files with 1 additions and 9 deletions
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1
fs/xfs/xfs_attr.c
View File

@ -2169,7 +2169,6 @@ xfs_attr_rmtval_remove(xfs_da_args_t *args)
bp = xfs_incore(mp->m_ddev_targp, dblkno, blkcnt, XBF_TRYLOCK);
if (bp) {
xfs_buf_stale(bp);
xfs_buf_delwri_dequeue(bp);
xfs_buf_relse(bp);
bp = NULL;
}

3
fs/xfs/xfs_buf.c
View File

@ -151,6 +151,7 @@ xfs_buf_stale(
struct xfs_buf *bp)
{
bp->b_flags |= XBF_STALE;
xfs_buf_delwri_dequeue(bp);
atomic_set(&(bp)->b_lru_ref, 0);
if (!list_empty(&bp->b_lru)) {
struct xfs_buftarg *btp = bp->b_target;
@ -1059,7 +1060,6 @@ xfs_bioerror(
* We're calling xfs_buf_ioend, so delete XBF_DONE flag.
*/
XFS_BUF_UNREAD(bp);
xfs_buf_delwri_dequeue(bp);
XFS_BUF_UNDONE(bp);
xfs_buf_stale(bp);
@ -1088,7 +1088,6 @@ xfs_bioerror_relse(
* change that interface.
*/
XFS_BUF_UNREAD(bp);
xfs_buf_delwri_dequeue(bp);
XFS_BUF_DONE(bp);
xfs_buf_stale(bp);
bp->b_iodone = NULL;

2
fs/xfs/xfs_buf_item.c
View File

@ -967,7 +967,6 @@ xfs_buf_iodone_callbacks(
*/
if (XFS_FORCED_SHUTDOWN(mp)) {
xfs_buf_stale(bp);
xfs_buf_delwri_dequeue(bp);
XFS_BUF_DONE(bp);
trace_xfs_buf_item_iodone(bp, _RET_IP_);
goto do_callbacks;
@ -1009,7 +1008,6 @@ xfs_buf_iodone_callbacks(
*/
xfs_buf_stale(bp);
XFS_BUF_DONE(bp);
xfs_buf_delwri_dequeue(bp);
trace_xfs_buf_error_relse(bp, _RET_IP_);

1
fs/xfs/xfs_rw.c
View File

@ -149,7 +149,6 @@ xfs_read_buf(
}
if (bp) {
XFS_BUF_UNDONE(bp);
xfs_buf_delwri_dequeue(bp);
xfs_buf_stale(bp);
/*
* brelse clears B_ERROR and b_error

3
fs/xfs/xfs_trans_buf.c
View File

@ -162,7 +162,6 @@ xfs_trans_get_buf(xfs_trans_t *tp,
ASSERT(xfs_buf_islocked(bp));
if (XFS_FORCED_SHUTDOWN(tp->t_mountp)) {
xfs_buf_stale(bp);
xfs_buf_delwri_dequeue(bp);
XFS_BUF_DONE(bp);
}
@ -391,7 +390,6 @@ xfs_trans_read_buf(
if (bp->b_error) {
error = bp->b_error;
xfs_buf_stale(bp);
xfs_buf_delwri_dequeue(bp);
XFS_BUF_DONE(bp);
xfs_ioerror_alert("xfs_trans_read_buf", mp,
bp, blkno);
@ -744,7 +742,6 @@ xfs_trans_binval(
* We set the stale bit in the buffer as well since we're getting
* rid of it.
*/
xfs_buf_delwri_dequeue(bp);
xfs_buf_stale(bp);
bip->bli_flags |= XFS_BLI_STALE;
bip->bli_flags &= ~(XFS_BLI_INODE_BUF | XFS_BLI_LOGGED | XFS_BLI_DIRTY);