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authorQu Wenruo <quwenruo@cn.fujitsu.com>2014-01-06 09:58:28 +0800
committerChris Mason <clm@fb.com>2014-01-28 13:20:17 -0800
commit530362934332e4efac81d40583aa1225e64f556f (patch)
treebe520e4c6604442770c778ba96dd59fe8cba2c75 /fs
parente07a2ade4426a2cbafae4018aa7b6944bb627a6e (diff)
downloadop-kernel-dev-530362934332e4efac81d40583aa1225e64f556f.zip
op-kernel-dev-530362934332e4efac81d40583aa1225e64f556f.tar.gz
btrfs: Add noenospc_debug mount option.
Add noenospc_debug mount option to disable ENOSPC debug with remount option. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/super.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index e153770..8325406 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -324,6 +324,7 @@ enum {
Opt_check_integrity, Opt_check_integrity_including_extent_data,
Opt_check_integrity_print_mask, Opt_fatal_errors, Opt_rescan_uuid_tree,
Opt_commit_interval, Opt_barrier, Opt_nodefrag, Opt_nodiscard,
+ Opt_noenospc_debug,
Opt_err,
};
@@ -356,6 +357,7 @@ static match_table_t tokens = {
{Opt_clear_cache, "clear_cache"},
{Opt_user_subvol_rm_allowed, "user_subvol_rm_allowed"},
{Opt_enospc_debug, "enospc_debug"},
+ {Opt_noenospc_debug, "noenospc_debug"},
{Opt_subvolrootid, "subvolrootid=%d"},
{Opt_defrag, "autodefrag"},
{Opt_nodefrag, "noautodefrag"},
@@ -603,6 +605,9 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
case Opt_enospc_debug:
btrfs_set_opt(info->mount_opt, ENOSPC_DEBUG);
break;
+ case Opt_noenospc_debug:
+ btrfs_clear_opt(info->mount_opt, ENOSPC_DEBUG);
+ break;
case Opt_defrag:
btrfs_info(root->fs_info, "enabling auto defrag");
btrfs_set_opt(info->mount_opt, AUTO_DEFRAG);
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