[XFS] Disable write barriers for now till intermittent IO errors are

[linux-2.6] / fs / xfs / xfs_vfsops.c

diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index bfdabde23db007c8a56c027d493a61d328a46107..f22bebf8f51322305cefd70a16ae0a848c6e89cb 100644 (file)
--- a/fs/xfs/xfs_vfsops.c
+++ b/fs/xfs/xfs_vfsops.c
@@ -53,6 +53,7 @@
 #include "xfs_acl.h"
 #include "xfs_attr.h"
 #include "xfs_clnt.h"
+#include "xfs_fsops.h"
 
 STATIC int xfs_sync(bhv_desc_t *, int, cred_t *);
 
@@ -290,8 +291,8 @@ xfs_start_flags(
                mp->m_flags |= XFS_MOUNT_IDELETE;
        if (ap->flags & XFSMNT_DIRSYNC)
                mp->m_flags |= XFS_MOUNT_DIRSYNC;
-       if (ap->flags & XFSMNT_COMPAT_ATTR)
-               mp->m_flags |= XFS_MOUNT_COMPAT_ATTR;
+       if (ap->flags & XFSMNT_ATTR2)
+               mp->m_flags |= XFS_MOUNT_ATTR2;
 
        if (ap->flags2 & XFSMNT2_COMPAT_IOSIZE)
                mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
@@ -349,6 +350,10 @@ xfs_finish_flags(
                }
        }
 
+       if (XFS_SB_VERSION_HASATTR2(&mp->m_sb)) {
+               mp->m_flags |= XFS_MOUNT_ATTR2;
+       }
+
        /*
         * prohibit r/w mounts of read-only filesystems
         */
@@ -384,10 +389,6 @@ xfs_finish_flags(
                        return XFS_ERROR(EINVAL);
        }
 
-       if (XFS_SB_VERSION_HASATTR2(&mp->m_sb)) {
-               mp->m_flags &= ~XFS_MOUNT_COMPAT_ATTR;
-       }
-
        return 0;
 }
 
@@ -506,8 +507,7 @@ xfs_mount(
        if (error)
                goto error2;
 
-       if ((mp->m_flags & XFS_MOUNT_NOATIME) &&
-           !(XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY))
+       if ((mp->m_flags & XFS_MOUNT_BARRIER) && !(vfsp->vfs_flag & VFS_RDONLY))
                xfs_mountfs_check_barriers(mp);
 
        error = XFS_IOINIT(vfsp, args, flags);
@@ -1689,8 +1689,6 @@ xfs_parseargs(
        int                     iosize;
 
        args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
-       args->flags |= XFSMNT_COMPAT_ATTR;
-       args->flags |= XFSMNT_BARRIER;
 
 #if 0  /* XXX: off by default, until some remaining issues ironed out */
        args->flags |= XFSMNT_IDELETE; /* default to on */
@@ -1827,9 +1825,9 @@ xfs_parseargs(
                } else if (!strcmp(this_char, MNTOPT_NOLARGEIO)) {
                        args->flags2 |= XFSMNT2_COMPAT_IOSIZE;
                } else if (!strcmp(this_char, MNTOPT_ATTR2)) {
-                       args->flags &= ~XFSMNT_COMPAT_ATTR;
+                       args->flags |= XFSMNT_ATTR2;
                } else if (!strcmp(this_char, MNTOPT_NOATTR2)) {
-                       args->flags |= XFSMNT_COMPAT_ATTR;
+                       args->flags &= ~XFSMNT_ATTR2;
                } else if (!strcmp(this_char, "osyncisdsync")) {
                        /* no-op, this is now the default */
 printk("XFS: osyncisdsync is now the default, option is deprecated.\n");
@@ -1940,12 +1938,10 @@ xfs_showargs(
                seq_printf(m, "," MNTOPT_SWIDTH "=%d",
                                (int)XFS_FSB_TO_BB(mp, mp->m_swidth));
 
-       if (!(mp->m_flags & XFS_MOUNT_COMPAT_ATTR))
-               seq_printf(m, "," MNTOPT_ATTR2);
        if (!(mp->m_flags & XFS_MOUNT_COMPAT_IOSIZE))
                seq_printf(m, "," MNTOPT_LARGEIO);
-       if (!(mp->m_flags & XFS_MOUNT_BARRIER))
-               seq_printf(m, "," MNTOPT_NOBARRIER);
+       if (mp->m_flags & XFS_MOUNT_BARRIER)
+               seq_printf(m, "," MNTOPT_BARRIER);
 
        if (!(vfsp->vfs_flag & VFS_32BITINODES))
                seq_printf(m, "," MNTOPT_64BITINODE);
@@ -1967,6 +1963,7 @@ xfs_freeze(
        /* Push the superblock and write an unmount record */
        xfs_log_unmount_write(mp);
        xfs_unmountfs_writesb(mp);
+       xfs_fs_log_dummy(mp);
 }