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xfs: kill XBF_LOCK

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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
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13
fs/xfs/xfs_fsops.c
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@@ -193,7 +193,7 @@ xfs_growfs_data_private(
*/
bp = xfs_buf_get(mp->m_ddev_targp,
XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)),
XFS_FSS_TO_BB(mp, 1), XBF_LOCK | XBF_MAPPED);
XFS_FSS_TO_BB(mp, 1), XBF_MAPPED);
if (!bp) {
error = ENOMEM;
goto error0;
@@ -230,7 +230,7 @@ xfs_growfs_data_private(
*/
bp = xfs_buf_get(mp->m_ddev_targp,
XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)),
XFS_FSS_TO_BB(mp, 1), XBF_LOCK | XBF_MAPPED);
XFS_FSS_TO_BB(mp, 1), XBF_MAPPED);
if (!bp) {
error = ENOMEM;
goto error0;
@@ -259,8 +259,7 @@ xfs_growfs_data_private(
*/
bp = xfs_buf_get(mp->m_ddev_targp,
XFS_AGB_TO_DADDR(mp, agno, XFS_BNO_BLOCK(mp)),
BTOBB(mp->m_sb.sb_blocksize),
XBF_LOCK | XBF_MAPPED);
BTOBB(mp->m_sb.sb_blocksize), XBF_MAPPED);
if (!bp) {
error = ENOMEM;
goto error0;
@@ -286,8 +285,7 @@ xfs_growfs_data_private(
*/
bp = xfs_buf_get(mp->m_ddev_targp,
XFS_AGB_TO_DADDR(mp, agno, XFS_CNT_BLOCK(mp)),
BTOBB(mp->m_sb.sb_blocksize),
XBF_LOCK | XBF_MAPPED);
BTOBB(mp->m_sb.sb_blocksize), XBF_MAPPED);
if (!bp) {
error = ENOMEM;
goto error0;
@@ -314,8 +312,7 @@ xfs_growfs_data_private(
*/
bp = xfs_buf_get(mp->m_ddev_targp,
XFS_AGB_TO_DADDR(mp, agno, XFS_IBT_BLOCK(mp)),
BTOBB(mp->m_sb.sb_blocksize),
XBF_LOCK | XBF_MAPPED);
BTOBB(mp->m_sb.sb_blocksize), XBF_MAPPED);
if (!bp) {
error = ENOMEM;
goto error0;