[XFS] Kill xfs_sync()

There are no more callers to xfs_sync() now, so remove the function
altogther.

SGI-PV: 988140

SGI-Modid: xfs-linux-melb:xfs-kern:32311a

Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>

1 files changed, 7 insertions, 8 deletions

diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 1256746b249f..58865fe47806 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -431,14 +431,13 @@ xfs_ireclaim(xfs_inode_t *ip)
         xfs_iextract(ip);
 
         /*
-         * Here we do a spurious inode lock in order to coordinate with
-         * xfs_sync().  This is because xfs_sync() references the inodes
-         * in the mount list without taking references on the corresponding
-         * vnodes.  We make that OK here by ensuring that we wait until
-         * the inode is unlocked in xfs_sync() before we go ahead and
-         * free it.  We get both the regular lock and the io lock because
-         * the xfs_sync() code may need to drop the regular one but will
-         * still hold the io lock.
+         * Here we do a spurious inode lock in order to coordinate with inode
+         * cache radix tree lookups.  This is because the lookup can reference
+         * the inodes in the cache without taking references.  We make that OK
+         * here by ensuring that we wait until the inode is unlocked after the
+         * lookup before we go ahead and free it.  We get both the ilock and
+         * the iolock because the code may need to drop the ilock one but will
+         * still hold the iolock.
          */
         xfs_ilock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL);