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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_inode_item.c
parent474fce067521a40dbacc722e8ba119e81c2d31bf (diff)
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_inode_item.c')
-rw-r--r--fs/xfs/xfs_inode_item.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index c8d4ce0efd5a..91d71dcd4852 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -555,7 +555,7 @@ xfs_inode_item_unpin(
trace_xfs_inode_unpin(ip, _RET_IP_);
ASSERT(atomic_read(&ip->i_pincount) > 0);
if (atomic_dec_and_test(&ip->i_pincount))
- wake_up(&ip->i_ipin_wait);
+ wake_up_bit(&ip->i_flags, __XFS_IPINNED_BIT);
}
/*