ext4: replace BUG_ON with WARN_ONCE in ext4_end_bio()
Add fallback code and a WARN_ONCE() call instead of a BUG_ON() in the ext4_end_bio() function. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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@ -297,8 +297,17 @@ static void ext4_end_bio(struct bio *bio)
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{
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{
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ext4_io_end_t *io_end = bio->bi_private;
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ext4_io_end_t *io_end = bio->bi_private;
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sector_t bi_sector = bio->bi_iter.bi_sector;
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sector_t bi_sector = bio->bi_iter.bi_sector;
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char b[BDEVNAME_SIZE];
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BUG_ON(!io_end);
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if (WARN_ONCE(!io_end, "io_end is NULL: %s: sector %Lu len %u err %d\n",
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bdevname(bio->bi_bdev, b),
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(long long) bio->bi_iter.bi_sector,
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(unsigned) bio_sectors(bio),
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bio->bi_error)) {
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ext4_finish_bio(bio);
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bio_put(bio);
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return;
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}
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bio->bi_end_io = NULL;
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bio->bi_end_io = NULL;
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if (bio->bi_error) {
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if (bio->bi_error) {
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