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| author | Christoph Hellwig <hch@infradead.org> | 2011-12-18 20:00:10 +0000 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2012-01-17 15:07:54 -0600 |
| commit | f392e6319a4e9a028b0c8b48f000bb01d660ad53 (patch) | |
| tree | 6cf97bebb841da303056b60da087e76cc087af9b /fs/xfs/xfs_inode_item.c | |
| parent | 474fce067521a40dbacc722e8ba119e81c2d31bf (diff) | |
| download | op-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_inode_item.c')
| -rw-r--r-- | fs/xfs/xfs_inode_item.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index c8d4ce0..91d71dc 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); } /* |
