diff options
| author | Chris Mason <clm@fb.com> | 2015-10-21 19:00:38 -0700 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2015-10-21 19:00:38 -0700 |
| commit | a9e6d153563d2ed69c6cd7fb4fa5ce4ca7c712eb (patch) | |
| tree | 43fab2a259934e1f1dde9607610424d6089dba5e /fs/btrfs/super.c | |
| parent | 56fa9d0762ed17153c1bdff3c0aeeecbe522b504 (diff) | |
| parent | 0584f718ed1f351fca5047a4b1ebba9b5ea41215 (diff) | |
Merge branch 'allocator-fixes' into for-linus-4.4
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index b23d49daa1a2..24154e422945 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -303,6 +303,9 @@ enum { Opt_commit_interval, Opt_barrier, Opt_nodefrag, Opt_nodiscard, Opt_noenospc_debug, Opt_noflushoncommit, Opt_acl, Opt_datacow, Opt_datasum, Opt_treelog, Opt_noinode_cache, +#ifdef CONFIG_BTRFS_DEBUG + Opt_fragment_data, Opt_fragment_metadata, Opt_fragment_all, +#endif Opt_err, }; @@ -355,6 +358,11 @@ static match_table_t tokens = { {Opt_rescan_uuid_tree, "rescan_uuid_tree"}, {Opt_fatal_errors, "fatal_errors=%s"}, {Opt_commit_interval, "commit=%d"}, +#ifdef CONFIG_BTRFS_DEBUG + {Opt_fragment_data, "fragment=data"}, + {Opt_fragment_metadata, "fragment=metadata"}, + {Opt_fragment_all, "fragment=all"}, +#endif {Opt_err, NULL}, }; @@ -721,6 +729,22 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) info->commit_interval = BTRFS_DEFAULT_COMMIT_INTERVAL; } break; +#ifdef CONFIG_BTRFS_DEBUG + case Opt_fragment_all: + btrfs_info(root->fs_info, "fragmenting all space"); + btrfs_set_opt(info->mount_opt, FRAGMENT_DATA); + btrfs_set_opt(info->mount_opt, FRAGMENT_METADATA); + break; + case Opt_fragment_metadata: + btrfs_info(root->fs_info, "fragmenting metadata"); + btrfs_set_opt(info->mount_opt, + FRAGMENT_METADATA); + break; + case Opt_fragment_data: + btrfs_info(root->fs_info, "fragmenting data"); + btrfs_set_opt(info->mount_opt, FRAGMENT_DATA); + break; +#endif case Opt_err: btrfs_info(root->fs_info, "unrecognized mount option '%s'", p); ret = -EINVAL; @@ -1172,6 +1196,12 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry) seq_puts(seq, ",fatal_errors=panic"); if (info->commit_interval != BTRFS_DEFAULT_COMMIT_INTERVAL) seq_printf(seq, ",commit=%d", info->commit_interval); +#ifdef CONFIG_BTRFS_DEBUG + if (btrfs_test_opt(root, FRAGMENT_DATA)) + seq_puts(seq, ",fragment=data"); + if (btrfs_test_opt(root, FRAGMENT_METADATA)) + seq_puts(seq, ",fragment=metadata"); +#endif seq_printf(seq, ",subvolid=%llu", BTRFS_I(d_inode(dentry))->root->root_key.objectid); seq_puts(seq, ",subvol="); |