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authorGravatar Kent Overstreet <kent.overstreet@gmail.com> 2021-10-27 13:05:56 -0400
committerGravatar Kent Overstreet <kent.overstreet@linux.dev> 2023-10-22 17:09:17 -0400
commit9ca4853b98af5fa15a2ddc47a45f8e103027f95d (patch)
tree28b8be8ce679f0b5503de7fa68d9b0f2c5483bc9 /fs/bcachefs/subvolume.c
parentbcachefs: SECTOR_DIRTY_RESERVED (diff)
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bcachefs: Fix quota support for snapshots
Quota support was disabled when snapshots were released, because of some tricky interactions with snpashots. We're sidestepping that for now - we're simply disabling quota accounting on snapshot subvolumes. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'fs/bcachefs/subvolume.c')
-rw-r--r--fs/bcachefs/subvolume.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/bcachefs/subvolume.c b/fs/bcachefs/subvolume.c
index 0ef625d21672..7e909a118189 100644
--- a/fs/bcachefs/subvolume.c
+++ b/fs/bcachefs/subvolume.c
@@ -789,6 +789,15 @@ int bch2_subvolume_get(struct btree_trans *trans, unsigned subvol,
return ret;
}
+int bch2_snapshot_get_subvol(struct btree_trans *trans, u32 snapshot,
+ struct bch_subvolume *subvol)
+{
+ struct bch_snapshot snap;
+
+ return snapshot_lookup(trans, snapshot, &snap) ?:
+ bch2_subvolume_get(trans, le32_to_cpu(snap.subvol), true, 0, subvol);
+}
+
int bch2_subvolume_get_snapshot(struct btree_trans *trans, u32 subvol,
u32 *snapid)
{