diff options
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 2cc5b80eeae9..196790375bb3 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -321,6 +321,7 @@ enum { Opt_no_space_cache, Opt_recovery, Opt_skip_balance, Opt_check_integrity, Opt_check_integrity_including_extent_data, Opt_check_integrity_print_mask, Opt_fatal_errors, + Opt_commit_interval, Opt_err, }; @@ -361,6 +362,7 @@ static match_table_t tokens = { {Opt_check_integrity_including_extent_data, "check_int_data"}, {Opt_check_integrity_print_mask, "check_int_print_mask=%d"}, {Opt_fatal_errors, "fatal_errors=%s"}, + {Opt_commit_interval, "commit=%d"}, {Opt_err, NULL}, }; @@ -645,6 +647,29 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) goto out; } break; + case Opt_commit_interval: + intarg = 0; + ret = match_int(&args[0], &intarg); + if (ret < 0) { + printk(KERN_ERR + "btrfs: invalid commit interval\n"); + ret = -EINVAL; + goto out; + } + if (intarg > 0) { + if (intarg > 300) { + printk(KERN_WARNING + "btrfs: excessive commit interval %d\n", + intarg); + } + info->commit_interval = intarg; + } else { + printk(KERN_INFO + "btrfs: using default commit interval %ds\n", + BTRFS_DEFAULT_COMMIT_INTERVAL); + info->commit_interval = BTRFS_DEFAULT_COMMIT_INTERVAL; + } + break; case Opt_err: printk(KERN_INFO "btrfs: unrecognized mount option " "'%s'\n", p); @@ -981,6 +1006,8 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry) info->metadata_ratio); if (btrfs_test_opt(root, PANIC_ON_FATAL_ERROR)) seq_puts(seq, ",fatal_errors=panic"); + if (info->commit_interval != BTRFS_DEFAULT_COMMIT_INTERVAL) + seq_printf(seq, ",commit=%d", info->commit_interval); return 0; } |