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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-03-21 00:03:34 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:08:56 -0400 |
| commit | cb16bfaa86f09fae33a712510aa51a03ca370d63 (patch) | |
| tree | 05934cfc205d47a6a1297812b5241672f7a6576a | |
| parent | 4cfb722ca16d89ada724c142201fc86872283a90 (diff) | |
| download | lwn-cb16bfaa86f09fae33a712510aa51a03ca370d63.tar.gz lwn-cb16bfaa86f09fae33a712510aa51a03ca370d63.zip | |
bcachefs: Get disk reservation when overwriting data in old snapshot
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/io.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/bcachefs/io.c b/fs/bcachefs/io.c index b841b3da2510..5ee9a6c2f4fd 100644 --- a/fs/bcachefs/io.c +++ b/fs/bcachefs/io.c @@ -224,9 +224,10 @@ int bch2_sum_sector_overwrites(struct btree_trans *trans, (bkey_extent_is_allocation(&new->k) - bkey_extent_is_allocation(old.k)); - *disk_sectors_delta += sectors * - (int) (bch2_bkey_nr_ptrs_allocated(bkey_i_to_s_c(new)) - - bch2_bkey_nr_ptrs_fully_allocated(old)); + *disk_sectors_delta += sectors * bch2_bkey_nr_ptrs_allocated(bkey_i_to_s_c(new)); + *disk_sectors_delta -= new->k.p.snapshot == old.k->p.snapshot + ? sectors * bch2_bkey_nr_ptrs_fully_allocated(old) + : 0; if (!*should_check_enospc && (new_replicas > bch2_bkey_replicas(c, old) || |