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buffer: Convert __bh_read 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/20260528173150.1093780-9-willy@infradead.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2026-05-28 18:31:21 +01:00 committed by Christian Brauner
parent ac13eb4798
commit a70db2d6f0
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 1 additions and 3 deletions
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4
fs/buffer.c
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@ -3089,9 +3089,7 @@ int __bh_read(struct buffer_head *bh, blk_opf_t op_flags, bool wait)
BUG_ON(!buffer_locked(bh));
get_bh(bh);
bh->b_end_io = end_buffer_read_sync;
submit_bh(REQ_OP_READ | op_flags, bh);
bh_submit(bh, REQ_OP_READ | op_flags, bh_end_read);
if (wait) {
wait_on_buffer(bh);
if (!buffer_uptodate(bh))