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authorChristoph Hellwig <hch@infradead.org>2011-12-18 20:00:10 +0000
committerBen Myers <bpm@sgi.com>2012-01-17 15:07:54 -0600
commitf392e6319a4e9a028b0c8b48f000bb01d660ad53 (patch)
tree6cf97bebb841da303056b60da087e76cc087af9b /fs/xfs/xfs_super.c
parent474fce067521a40dbacc722e8ba119e81c2d31bf (diff)
downloadop-kernel-dev-f392e6319a4e9a028b0c8b48f000bb01d660ad53.zip
op-kernel-dev-f392e6319a4e9a028b0c8b48f000bb01d660ad53.tar.gz
xfs: replace i_pin_wait with a bit waitqueue
Replace i_pin_wait, which is only used during synchronous inode flushing with a bit waitqueue. This trades off a much smaller inode against slightly slower wakeup performance, and saves 12 (32-bit) or 20 (64-bit) bytes in the XFS inode. Reviewed-by: Alex Elder <aelder@sgi.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_super.c')
-rw-r--r--fs/xfs/xfs_super.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 6851fa7..ee5b695 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -828,7 +828,6 @@ xfs_fs_inode_init_once(
/* xfs inode */
atomic_set(&ip->i_pincount, 0);
spin_lock_init(&ip->i_flags_lock);
- init_waitqueue_head(&ip->i_ipin_wait);
mrlock_init(&ip->i_lock, MRLOCK_ALLOW_EQUAL_PRI|MRLOCK_BARRIER,
"xfsino", ip->i_ino);
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