[PATCH V2 1/7] ext4: remove the 'group' parameter of ext4_trim_extent

From: Wang Jianchao
Date: Wed May 26 2021 - 04:42:59 EST


Get rid of the 'group' parameter of ext4_trim_extent as we can get
it from the 'e4b'.

Signed-off-by: Wang Jianchao <wangjianchao@xxxxxxxxxxxx>
---
fs/ext4/mballoc.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index a02fadf..d81f1fd22 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -5650,19 +5650,19 @@ 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);
@@ -5738,8 +5738,7 @@ static int ext4_trim_extent(struct super_block *sb, int start, int count,
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;
--
1.8.3.1