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authorChristoph Hellwig <hch@infradead.org>2007-08-29 11:44:50 +1000
committerTim Shimmin <tes@chook.melbourne.sgi.com>2007-10-16 11:38:36 +1000
commit09262b4339de5417a10803fbfac277eebb38ca5a (patch)
treeb375b3c7c221a9b696e44e7faf94ee0df2323078 /fs/xfs/xfs_inode.h
parentb3aea4edc2903fdee34920630b8b2433f6452f02 (diff)
[XFS] Create xfs_iflags_test_and_clear helper function
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>
Diffstat (limited to 'fs/xfs/xfs_inode.h')
-rw-r--r--fs/xfs/xfs_inode.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 79d724615c39..ea1e24effd49 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -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__ */