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jbd2: Convert jbd2_write_superblock() 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/20260528173150.1093780-18-willy@infradead.org
Acked-by: Theodore Ts'o <tytso@mit.edu>
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 18:31:30 +01:00
committed by Christian Brauner
parent e4b09ba06e
commit 8a30f324e2
1 changed files with 1 additions and 3 deletions
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4
fs/jbd2/journal.c
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@@ -1820,9 +1820,7 @@ static int jbd2_write_superblock(journal_t *journal, blk_opf_t write_flags)
}
if (jbd2_journal_has_csum_v2or3(journal))
sb->s_checksum = jbd2_superblock_csum(sb);
get_bh(bh);
bh->b_end_io = end_buffer_write_sync;
submit_bh(REQ_OP_WRITE | write_flags, bh);
bh_submit(bh, REQ_OP_WRITE | write_flags, bh_end_write);
wait_on_buffer(bh);
if (buffer_write_io_error(bh)) {
clear_buffer_write_io_error(bh);