diff options
| author | Zhang Yi <yi.zhang@huawei.com> | 2023-08-24 17:26:04 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-11-28 16:50:21 +0000 |
| commit | e95f74653dffcd0201305890cf66067f489a771e (patch) | |
| tree | 763d6dccb70e9a9f64d6d1cbfa649cecb3790cf1 /fs | |
| parent | 1fbfdcc3d65e4778d6a1dbc45eec17650447dd59 (diff) | |
ext4: correct the start block of counting reserved clusters
commit 40ea98396a3659062267d1fe5f99af4f7e4f05e3 upstream.
When big allocate feature is enabled, we need to count and update
reserved clusters before removing a delayed only extent_status entry.
{init|count|get}_rsvd() have already done this, but the start block
number of this counting isn't correct in the following case.
lblk end
| |
v v
-------------------------
| | orig_es
-------------------------
^ ^
len1 is 0 | len2 |
If the start block of the orig_es entry founded is bigger than lblk, we
passed lblk as start block to count_rsvd(), but the length is correct,
finally, the range to be counted is offset. This patch fix this by
passing the start blocks to 'orig_es->lblk + len1'.
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Cc: stable@kernel.org
Link: https://lore.kernel.org/r/20230824092619.1327976-2-yi.zhang@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/extents_status.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index 80b5288cc0e9..cfd05e016f18 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -1348,8 +1348,8 @@ retry: } } if (count_reserved) - count_rsvd(inode, lblk, orig_es.es_len - len1 - len2, - &orig_es, &rc); + count_rsvd(inode, orig_es.es_lblk + len1, + orig_es.es_len - len1 - len2, &orig_es, &rc); goto out_get_reserved; } |