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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-12-30 22:54:04 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-03 20:31:37 -0500 |
| commit | 1f79cf3825e94fcb146d417b6dda9b94c93c7a53 (patch) | |
| tree | 152d89dcb9217e1dbe18594d038a077e0d6f822c /libbcachefs/subvolume.c | |
| parent | 3054e5debba5ccf842346bd202921f08e43d1e84 (diff) | |
Update bcachefs sources to 2a6125decb43 bcachefs: bch_sb_field_downgrade
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'libbcachefs/subvolume.c')
| -rw-r--r-- | libbcachefs/subvolume.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libbcachefs/subvolume.c b/libbcachefs/subvolume.c index 9e7164c2..7c67c28d 100644 --- a/libbcachefs/subvolume.c +++ b/libbcachefs/subvolume.c @@ -138,6 +138,24 @@ int bch2_subvolume_get(struct btree_trans *trans, unsigned subvol, return bch2_subvolume_get_inlined(trans, subvol, inconsistent_if_not_found, iter_flags, s); } +int bch2_subvol_is_ro_trans(struct btree_trans *trans, u32 subvol) +{ + struct bch_subvolume s; + int ret = bch2_subvolume_get_inlined(trans, subvol, true, 0, &s); + if (ret) + return ret; + + if (BCH_SUBVOLUME_RO(&s)) + return -EROFS; + return 0; +} + +int bch2_subvol_is_ro(struct bch_fs *c, u32 subvol) +{ + return bch2_trans_do(c, NULL, NULL, 0, + bch2_subvol_is_ro_trans(trans, subvol)); +} + int bch2_snapshot_get_subvol(struct btree_trans *trans, u32 snapshot, struct bch_subvolume *subvol) { |