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Diffstat (limited to 'fs/xfs/xfs_super.c')
-rw-r--r--fs/xfs/xfs_super.c31
1 files changed, 8 insertions, 23 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 3f8e6233f..98401de83 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -350,7 +350,6 @@ xfs_setup_dax_always(
return -EINVAL;
}
- xfs_warn(mp, "DAX enabled. Warning: EXPERIMENTAL, use at your own risk");
return 0;
disable_dax:
@@ -366,8 +365,9 @@ xfs_blkdev_get(
{
int error = 0;
- *handlep = bdev_open_by_path(name, BLK_OPEN_READ | BLK_OPEN_WRITE,
- mp->m_super, &fs_holder_ops);
+ *handlep = bdev_open_by_path(name,
+ BLK_OPEN_READ | BLK_OPEN_WRITE | BLK_OPEN_RESTRICT_WRITES,
+ mp->m_super, &fs_holder_ops);
if (IS_ERR(*handlep)) {
error = PTR_ERR(*handlep);
*handlep = NULL;
@@ -439,18 +439,12 @@ xfs_open_devices(
int error;
/*
- * blkdev_put() can't be called under s_umount, see the comment
- * in get_tree_bdev() for more details
- */
- up_write(&sb->s_umount);
-
- /*
* Open real time and log devices - order is important.
*/
if (mp->m_logname) {
error = xfs_blkdev_get(mp, mp->m_logname, &logdev_handle);
if (error)
- goto out_relock;
+ return error;
}
if (mp->m_rtname) {
@@ -493,10 +487,7 @@ xfs_open_devices(
bdev_release(logdev_handle);
}
- error = 0;
-out_relock:
- down_write(&sb->s_umount);
- return error;
+ return 0;
out_free_rtdev_targ:
if (mp->m_rtdev_targp)
@@ -509,7 +500,7 @@ out_relock:
out_close_logdev:
if (logdev_handle)
bdev_release(logdev_handle);
- goto out_relock;
+ return error;
}
/*
@@ -759,10 +750,6 @@ static void
xfs_mount_free(
struct xfs_mount *mp)
{
- /*
- * Free the buftargs here because blkdev_put needs to be called outside
- * of sb->s_umount, which is held around the call to ->put_super.
- */
if (mp->m_logdev_targp && mp->m_logdev_targp != mp->m_ddev_targp)
xfs_free_buftarg(mp->m_logdev_targp);
if (mp->m_rtdev_targp)
@@ -906,10 +893,8 @@ xfs_fs_statfs(
STATIC void
xfs_save_resvblks(struct xfs_mount *mp)
{
- uint64_t resblks = 0;
-
mp->m_resblks_save = mp->m_resblks;
- xfs_reserve_blocks(mp, &resblks, NULL);
+ xfs_reserve_blocks(mp, 0);
}
STATIC void
@@ -923,7 +908,7 @@ xfs_restore_resvblks(struct xfs_mount *mp)
} else
resblks = xfs_default_resblks(mp);
- xfs_reserve_blocks(mp, &resblks, NULL);
+ xfs_reserve_blocks(mp, resblks);
}
/*