diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/bcachefs/disk_groups.c | 95 | ||||
-rw-r--r-- | fs/bcachefs/disk_groups.h | 1 |
2 files changed, 59 insertions, 37 deletions
diff --git a/fs/bcachefs/disk_groups.c b/fs/bcachefs/disk_groups.c index e00133b6ea51..67a04fbbbbee 100644 --- a/fs/bcachefs/disk_groups.c +++ b/fs/bcachefs/disk_groups.c @@ -493,10 +493,7 @@ int bch2_opt_target_parse(struct bch_fs *c, const char *val, u64 *res, return -EINVAL; } -void bch2_opt_target_to_text(struct printbuf *out, - struct bch_fs *c, - struct bch_sb *sb, - u64 v) +void bch2_target_to_text(struct printbuf *out, struct bch_fs *c, unsigned v) { struct target t = target_decode(v); @@ -504,47 +501,71 @@ void bch2_opt_target_to_text(struct printbuf *out, case TARGET_NULL: prt_printf(out, "none"); break; - case TARGET_DEV: - if (c) { - struct bch_dev *ca; - - rcu_read_lock(); - ca = t.dev < c->sb.nr_devices - ? rcu_dereference(c->devs[t.dev]) - : NULL; - - if (ca && percpu_ref_tryget(&ca->io_ref)) { - prt_printf(out, "/dev/%pg", ca->disk_sb.bdev); - percpu_ref_put(&ca->io_ref); - } else if (ca) { - prt_printf(out, "offline device %u", t.dev); - } else { - prt_printf(out, "invalid device %u", t.dev); - } - - rcu_read_unlock(); + case TARGET_DEV: { + struct bch_dev *ca; + + rcu_read_lock(); + ca = t.dev < c->sb.nr_devices + ? rcu_dereference(c->devs[t.dev]) + : NULL; + + if (ca && percpu_ref_tryget(&ca->io_ref)) { + prt_printf(out, "/dev/%pg", ca->disk_sb.bdev); + percpu_ref_put(&ca->io_ref); + } else if (ca) { + prt_printf(out, "offline device %u", t.dev); } else { - struct bch_member m = bch2_sb_member_get(sb, t.dev); - - if (bch2_dev_exists(sb, t.dev)) { - prt_printf(out, "Device "); - pr_uuid(out, m.uuid.b); - prt_printf(out, " (%u)", t.dev); - } else { - prt_printf(out, "Bad device %u", t.dev); - } + prt_printf(out, "invalid device %u", t.dev); } + + rcu_read_unlock(); break; + } case TARGET_GROUP: - if (c) { - mutex_lock(&c->sb_lock); - bch2_disk_path_to_text(out, c->disk_sb.sb, t.group); - mutex_unlock(&c->sb_lock); + mutex_lock(&c->sb_lock); + bch2_disk_path_to_text(out, c->disk_sb.sb, t.group); + mutex_unlock(&c->sb_lock); + break; + default: + BUG(); + } +} + +void bch2_target_to_text_sb(struct printbuf *out, struct bch_sb *sb, unsigned v) +{ + struct target t = target_decode(v); + + switch (t.type) { + case TARGET_NULL: + prt_printf(out, "none"); + break; + case TARGET_DEV: { + struct bch_member m = bch2_sb_member_get(sb, t.dev); + + if (bch2_dev_exists(sb, t.dev)) { + prt_printf(out, "Device "); + pr_uuid(out, m.uuid.b); + prt_printf(out, " (%u)", t.dev); } else { - bch2_disk_path_to_text(out, sb, t.group); + prt_printf(out, "Bad device %u", t.dev); } break; + } + case TARGET_GROUP: + bch2_disk_path_to_text(out, sb, t.group); + break; default: BUG(); } } + +void bch2_opt_target_to_text(struct printbuf *out, + struct bch_fs *c, + struct bch_sb *sb, + u64 v) +{ + if (c) + bch2_target_to_text(out, c, v); + else + bch2_target_to_text_sb(out, sb, v); +} diff --git a/fs/bcachefs/disk_groups.h b/fs/bcachefs/disk_groups.h index bd7711767fd4..ab17dbaaf842 100644 --- a/fs/bcachefs/disk_groups.h +++ b/fs/bcachefs/disk_groups.h @@ -84,6 +84,7 @@ int bch2_disk_path_find(struct bch_sb_handle *, const char *); int bch2_disk_path_find_or_create(struct bch_sb_handle *, const char *); void bch2_disk_path_to_text(struct printbuf *, struct bch_sb *, unsigned); +void bch2_target_to_text(struct printbuf *out, struct bch_fs *, unsigned); int bch2_opt_target_parse(struct bch_fs *, const char *, u64 *, struct printbuf *); void bch2_opt_target_to_text(struct printbuf *, struct bch_fs *, struct bch_sb *, u64); |