ext4: Convert ext4_fc_submit_bh() to bh_submit()

Avoid an extra indirect function call by converting
ext4_end_buffer_io_sync() from bh_end_io_t to bio_end_io_t and
calling bh_submit().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-14-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>

diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index b3c22636251dde7e36262212204c0e3b3ff73c78..5773b85e43cbcd77e7804da7accd15a69a1b582d 100644 (file)
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -184,8 +184,11 @@
 #include <trace/events/ext4.h>
 static struct kmem_cache *ext4_fc_dentry_cachep;
 
-static void ext4_end_buffer_io_sync(struct buffer_head *bh, int uptodate)
+static void ext4_end_buffer_io_sync(struct bio *bio)
 {
+       struct buffer_head *bh;
+       bool uptodate = bio_endio_bh(bio, &bh);
+
        BUFFER_TRACE(bh, "");
        if (uptodate) {
                ext4_debug("%s: Block %lld up-to-date",
@@ -659,8 +662,7 @@ static void ext4_fc_submit_bh(struct super_block *sb, bool is_tail)
        lock_buffer(bh);
        set_buffer_dirty(bh);
        set_buffer_uptodate(bh);
-       bh->b_end_io = ext4_end_buffer_io_sync;
-       submit_bh(REQ_OP_WRITE | write_flags, bh);
+       bh_submit(bh, REQ_OP_WRITE | write_flags, ext4_end_buffer_io_sync);
        EXT4_SB(sb)->s_fc_bh = NULL;
 }