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authorArnd Bergmann <arnd@arndb.de>2012-01-04 00:27:45 +0400
committerArnd Bergmann <arnd@arndb.de>2012-01-04 00:27:45 +0400
commit5d3cb0ffdd0c8987dc17a2ef4529b246198ceb72 (patch)
treec60bdca0529cbd44d32b3918b78d14e182ef57cd /fs/xfs/xfs_sync.c
parent3b0d597139efddfd8960b44249b4a4c977d172f1 (diff)
parent5f0a6e2d503896062f641639dacfe5055c2f593b (diff)
downloadlinux-5d3cb0ffdd0c8987dc17a2ef4529b246198ceb72.tar.xz
Merge branch 'v3.2-rc7' into next/pm
Conflicts: arch/arm/kernel/setup.c arch/arm/mach-shmobile/board-kota2.c
Diffstat (limited to 'fs/xfs/xfs_sync.c')
-rw-r--r--fs/xfs/xfs_sync.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c
index aa3dc1a4d53d..be5c51d8f757 100644
--- a/fs/xfs/xfs_sync.c
+++ b/fs/xfs/xfs_sync.c
@@ -770,6 +770,17 @@ restart:
if (!xfs_iflock_nowait(ip)) {
if (!(sync_mode & SYNC_WAIT))
goto out;
+
+ /*
+ * If we only have a single dirty inode in a cluster there is
+ * a fair chance that the AIL push may have pushed it into
+ * the buffer, but xfsbufd won't touch it until 30 seconds
+ * from now, and thus we will lock up here.
+ *
+ * Promote the inode buffer to the front of the delwri list
+ * and wake up xfsbufd now.
+ */
+ xfs_promote_inode(ip);
xfs_iflock(ip);
}