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| author | Josef Bacik <josef@toxicpanda.com> | 2020-10-16 17:29:16 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2020-12-08 15:53:40 +0100 |
| commit | ab0b4a3ebf145f54dc23b66a411f4bbbc59b0d96 (patch) | |
| tree | 4b9afc22b39d0ee8b8af7f1824f49bb7cec16d13 /fs/btrfs/super.c | |
| parent | btrfs: sysfs: export supported rescue= mount options (diff) | |
| download | linux-ab0b4a3ebf145f54dc23b66a411f4bbbc59b0d96.tar.xz linux-ab0b4a3ebf145f54dc23b66a411f4bbbc59b0d96.zip | |
btrfs: add a helper to print out rescue= options
We're going to have a lot of rescue options, add a helper to collapse
the /proc/mounts output to rescue=option1:option2:option3 format.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index f99e89ec46b2..c5095a23befd 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -1392,11 +1392,18 @@ int btrfs_sync_fs(struct super_block *sb, int wait) return btrfs_commit_transaction(trans); } +static void print_rescue_option(struct seq_file *seq, const char *s, bool *printed) +{ + seq_printf(seq, "%s%s", (*printed) ? ":" : ",rescue=", s); + *printed = true; +} + static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry) { struct btrfs_fs_info *info = btrfs_sb(dentry->d_sb); const char *compress_type; const char *subvol_name; + bool printed = false; if (btrfs_test_opt(info, DEGRADED)) seq_puts(seq, ",degraded"); @@ -1429,7 +1436,7 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry) if (btrfs_test_opt(info, NOTREELOG)) seq_puts(seq, ",notreelog"); if (btrfs_test_opt(info, NOLOGREPLAY)) - seq_puts(seq, ",rescue=nologreplay"); + print_rescue_option(seq, "nologreplay", &printed); if (btrfs_test_opt(info, FLUSHONCOMMIT)) seq_puts(seq, ",flushoncommit"); if (btrfs_test_opt(info, DISCARD_SYNC)) |