This is a note to let you know that I've just added the patch titled
ext4: remove the 'group' parameter of ext4_trim_extent
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ext4-remove-the-group-parameter-of-ext4_trim_extent.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 9a6ffc589a28a4d7cc6ffb628919f3d59b6b1e0c
Author: Wang Jianchao <wangjianchao@xxxxxxxxxxxx>
Date: Sat Jul 24 15:41:20 2021 +0800
ext4: remove the 'group' parameter of ext4_trim_extent
[ Upstream commit bd2eea8d0a6b6a9aca22f20bf74f73b71d8808af ]
Get rid of the 'group' parameter of ext4_trim_extent as we can get
it from the 'e4b'.
Reviewed-by: Andreas Dilger <adilger@xxxxxxxxx>
Signed-off-by: Wang Jianchao <wangjianchao@xxxxxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Link: https://lore.kernel.org/r/20210724074124.25731-2-jianchao.wan9@xxxxxxxxx
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Stable-dep-of: 45e4ab320c9b ("ext4: move setting of trimmed bit into ext4_try_to_trim_range()")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index be5c2e53b636e..9b4af51c99da4 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -5159,19 +5159,19 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb,
* @sb: super block for the file system
* @start: starting block of the free extent in the alloc. group
* @count: number of blocks to TRIM
- * @group: alloc. group we are working with
* @e4b: ext4 buddy for the group
*
* Trim "count" blocks starting at "start" in the "group". To assure that no
* one will allocate those blocks, mark it as used in buddy bitmap. This must
* be called with under the group lock.
*/
-static int ext4_trim_extent(struct super_block *sb, int start, int count,
- ext4_group_t group, struct ext4_buddy *e4b)
+static int ext4_trim_extent(struct super_block *sb,
+ int start, int count, struct ext4_buddy *e4b)
__releases(bitlock)
__acquires(bitlock)
{
struct ext4_free_extent ex;
+ ext4_group_t group = e4b->bd_group;
int ret = 0;
trace_ext4_trim_extent(sb, group, start, count);
@@ -5247,8 +5247,7 @@ ext4_trim_all_free(struct super_block *sb, ext4_group_t group,
next = mb_find_next_bit(bitmap, max + 1, start);
if ((next - start) >= minblocks) {
- ret = ext4_trim_extent(sb, start,
- next - start, group, &e4b);
+ ret = ext4_trim_extent(sb, start, next - start, &e4b);
if (ret && ret != -EOPNOTSUPP)
break;
ret = 0;
