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ext4: Convert write_mmp_block_thawed() to bh_submit()

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Avoid an extra indirect function call and changing the buffer refcount
by using bh_submit() instead of submit_bh().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-15-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2026-05-28 18:31:27 +01:00
committed by Christian Brauner
parent cf3c71eed0
commit 786a9941c7
1 changed files with 2 additions and 3 deletions
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5
fs/ext4/mmp.c
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@@ -46,9 +46,8 @@ static int write_mmp_block_thawed(struct super_block *sb,
ext4_mmp_csum_set(sb, mmp);
lock_buffer(bh);
bh->b_end_io = end_buffer_write_sync;
get_bh(bh);
submit_bh(REQ_OP_WRITE | REQ_SYNC | REQ_META | REQ_PRIO, bh);
bh_submit(bh, REQ_OP_WRITE | REQ_SYNC | REQ_META | REQ_PRIO,
bh_end_write);
wait_on_buffer(bh);
if (unlikely(!buffer_uptodate(bh)))
return -EIO;