From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 29 Aug 2007 01:44:50 +0000 (+1000)
Subject: [XFS] Create xfs_iflags_test_and_clear helper function
X-Git-Tag: v2.6.24-rc1~492^2~29
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=09262b4339de5417a10803fbfac277eebb38ca5a;p=karo-tx-linux.git

[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>
---

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__ */
 
 
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index f2c037a9564e..8ed7af3c5d63 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -1541,12 +1541,7 @@ xfs_release(
 		 * significantly reducing the time window where we'd otherwise
 		 * be exposed to that problem.
 		 */
-		spin_lock(&ip->i_flags_lock);
-		truncated = __xfs_iflags_test(ip, XFS_ITRUNCATED);
-		if (truncated)
-			ip->i_flags &= ~XFS_ITRUNCATED;
-		spin_unlock(&ip->i_flags_lock);
-
+		truncated = xfs_iflags_test_and_clear(ip, XFS_ITRUNCATED);
 		if (truncated && VN_DIRTY(vp) && ip->i_delayed_blks > 0)
 			xfs_flush_pages(ip, 0, -1, XFS_B_ASYNC, FI_NONE);
 	}