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[XFS] Create xfs_iflags_test_and_clear helper function

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SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29496a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig
2007-08-29 11:44:50 +10:00
committed by Tim Shimmin
parent b3aea4edc2
commit 09262b4339
2 changed files with 14 additions and 6 deletions
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13
fs/xfs/xfs_inode.h
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@@ -360,6 +360,19 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags)
spin_unlock(&ip->i_flags_lock);
return ret;
}
static inline int
xfs_iflags_test_and_clear(xfs_inode_t *ip, unsigned short flags)
{
int ret;
spin_lock(&ip->i_flags_lock);
ret = ip->i_flags & flags;
if (ret)
ip->i_flags &= ~flags;
spin_unlock(&ip->i_flags_lock);
return ret;
}
#endif /* __KERNEL__ */