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Subject[PATCH] ext4: remove unused parameter biop in ext4_issue_discard()
Date
all caller of ext4_issue_discard() would set biop to NULL since
'commit 55cdd0af2bc5 ("ext4: get discard out of jbd2 commit kthread
contex")', it's unnecessary to keep this parameter any more.

Signed-off-by: Wenchao Hao <haowenchao2@huawei.com>
---
fs/ext4/mballoc.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index d72b5e3c92ec..1590ee3f4603 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3807,8 +3807,7 @@ int ext4_mb_release(struct super_block *sb)
}

static inline int ext4_issue_discard(struct super_block *sb,
- ext4_group_t block_group, ext4_grpblk_t cluster, int count,
- struct bio **biop)
+ ext4_group_t block_group, ext4_grpblk_t cluster, int count)
{
ext4_fsblk_t discard_block;

@@ -3817,13 +3816,8 @@ static inline int ext4_issue_discard(struct super_block *sb,
count = EXT4_C2B(EXT4_SB(sb), count);
trace_ext4_discard_blocks(sb,
(unsigned long long) discard_block, count);
- if (biop) {
- return __blkdev_issue_discard(sb->s_bdev,
- (sector_t)discard_block << (sb->s_blocksize_bits - 9),
- (sector_t)count << (sb->s_blocksize_bits - 9),
- GFP_NOFS, biop);
- } else
- return sb_issue_discard(sb, discard_block, count, GFP_NOFS, 0);
+
+ return sb_issue_discard(sb, discard_block, count, GFP_NOFS, 0);
}

static void ext4_free_data_in_buddy(struct super_block *sb,
@@ -6475,7 +6469,7 @@ static void ext4_mb_clear_bb(handle_t *handle, struct inode *inode,
} else {
if (test_opt(sb, DISCARD)) {
err = ext4_issue_discard(sb, block_group, bit,
- count_clusters, NULL);
+ count_clusters);
if (err && err != -EOPNOTSUPP)
ext4_msg(sb, KERN_WARNING, "discard request in"
" group:%u block:%d count:%lu failed"
@@ -6726,7 +6720,7 @@ __acquires(bitlock)
*/
mb_mark_used(e4b, &ex);
ext4_unlock_group(sb, group);
- ret = ext4_issue_discard(sb, group, start, count, NULL);
+ ret = ext4_issue_discard(sb, group, start, count);
ext4_lock_group(sb, group);
mb_free_blocks(NULL, e4b, start, ex.fe_len);
return ret;
--
2.32.0

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