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| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2014-01-06 05:58:28 +0400 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2014-01-29 01:20:17 +0400 |
| commit | 530362934332e4efac81d40583aa1225e64f556f (patch) | |
| tree | be520e4c6604442770c778ba96dd59fe8cba2c75 | |
| parent | e07a2ade4426a2cbafae4018aa7b6944bb627a6e (diff) | |
| download | linux-530362934332e4efac81d40583aa1225e64f556f.tar.xz | |
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>
| -rw-r--r-- | Documentation/filesystems/btrfs.txt | 3 | ||||
| -rw-r--r-- | fs/btrfs/super.c | 5 |
2 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/filesystems/btrfs.txt b/Documentation/filesystems/btrfs.txt index 7254cf501391..13a7cac80430 100644 --- a/Documentation/filesystems/btrfs.txt +++ b/Documentation/filesystems/btrfs.txt @@ -108,8 +108,9 @@ Options with (*) are default options and will not show in the mount options. performance impact. (The fstrim command is also available to initiate batch trims from userspace). + noenospc_debug(*) enospc_debug - Debugging option to be more verbose in some ENOSPC conditions. + Disable/enable debugging option to be more verbose in some ENOSPC conditions. fatal_errors=<action> Action to take when encountering a fatal error: diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index e15377035dd5..832540645c20 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); |