summary refs log tree commit diff
path: root/fs/xfs/xfs_rw.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_rw.c')
-rw-r--r--fs/xfs/xfs_rw.c84
1 files changed, 0 insertions, 84 deletions
diff --git a/fs/xfs/xfs_rw.c b/fs/xfs/xfs_rw.c
index fea68615ed23..3f816ad7ff19 100644
--- a/fs/xfs/xfs_rw.c
+++ b/fs/xfs/xfs_rw.c
@@ -88,90 +88,6 @@ xfs_write_clear_setuid(
 }
 
 /*
- * Handle logging requirements of various synchronous types of write.
- */
-int
-xfs_write_sync_logforce(
-	xfs_mount_t	*mp,
-	xfs_inode_t	*ip)
-{
-	int		error = 0;
-
-	/*
-	 * If we're treating this as O_DSYNC and we have not updated the
-	 * size, force the log.
-	 */
-	if (!(mp->m_flags & XFS_MOUNT_OSYNCISOSYNC) &&
-	    !(ip->i_update_size)) {
-		xfs_inode_log_item_t	*iip = ip->i_itemp;
-
-		/*
-		 * If an allocation transaction occurred
-		 * without extending the size, then we have to force
-		 * the log up the proper point to ensure that the
-		 * allocation is permanent.  We can't count on
-		 * the fact that buffered writes lock out direct I/O
-		 * writes - the direct I/O write could have extended
-		 * the size nontransactionally, then finished before
-		 * we started.  xfs_write_file will think that the file
-		 * didn't grow but the update isn't safe unless the
-		 * size change is logged.
-		 *
-		 * Force the log if we've committed a transaction
-		 * against the inode or if someone else has and
-		 * the commit record hasn't gone to disk (e.g.
-		 * the inode is pinned).  This guarantees that
-		 * all changes affecting the inode are permanent
-		 * when we return.
-		 */
-		if (iip && iip->ili_last_lsn) {
-			error = _xfs_log_force(mp, iip->ili_last_lsn,
-					XFS_LOG_FORCE | XFS_LOG_SYNC, NULL);
-		} else if (xfs_ipincount(ip) > 0) {
-			error = _xfs_log_force(mp, (xfs_lsn_t)0,
-					XFS_LOG_FORCE | XFS_LOG_SYNC, NULL);
-		}
-
-	} else {
-		xfs_trans_t	*tp;
-
-		/*
-		 * O_SYNC or O_DSYNC _with_ a size update are handled
-		 * the same way.
-		 *
-		 * If the write was synchronous then we need to make
-		 * sure that the inode modification time is permanent.
-		 * We'll have updated the timestamp above, so here
-		 * we use a synchronous transaction to log the inode.
-		 * It's not fast, but it's necessary.
-		 *
-		 * If this a dsync write and the size got changed
-		 * non-transactionally, then we need to ensure that
-		 * the size change gets logged in a synchronous
-		 * transaction.
-		 */
-		tp = xfs_trans_alloc(mp, XFS_TRANS_WRITE_SYNC);
-		if ((error = xfs_trans_reserve(tp, 0,
-						XFS_SWRITE_LOG_RES(mp),
-						0, 0, 0))) {
-			/* Transaction reserve failed */
-			xfs_trans_cancel(tp, 0);
-		} else {
-			/* Transaction reserve successful */
-			xfs_ilock(ip, XFS_ILOCK_EXCL);
-			xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
-			xfs_trans_ihold(tp, ip);
-			xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
-			xfs_trans_set_sync(tp);
-			error = xfs_trans_commit(tp, 0);
-			xfs_iunlock(ip, XFS_ILOCK_EXCL);
-		}
-	}
-
-	return error;
-}
-
-/*
  * Force a shutdown of the filesystem instantly while keeping
  * the filesystem consistent. We don't do an unmount here; just shutdown
  * the shop, make sure that absolutely nothing persistent happens to