diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-03-04 08:08:05 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-03-04 08:08:05 -0800 |
| commit | ce932967b9f77c130d4936d1e20d619a628ae08f (patch) | |
| tree | af0274e83664d9563468f0647b178427d3b18560 /block/blk-barrier.c | |
| parent | 8727e28ddebb031d80b5e261c98c24f1dcb9a82f (diff) | |
| parent | cc66b4512cae8df4ed1635483210aabf7690ec27 (diff) | |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
block: fix blkdev_issue_flush() not detecting and passing EOPNOTSUPP back
block: fix shadowed variable warning in blk-map.c
block: remove extern on function definition
cciss: remove READ_AHEAD define and use block layer defaults
make cdrom.c:check_for_audio_disc() static
block/genhd.c: proper externs
unexport blk_rq_map_user_iov
unexport blk_{get,put}_queue
block/genhd.c: cleanups
proper prototype for blk_dev_init()
block/blk-tag.c should #include "blk.h"
Fix DMA access of block device in 64-bit kernel on some non-x86 systems with 4GB or upper 4GB memory
block: separate out padding from alignment
block: restore the meaning of rq->data_len to the true data length
resubmit: cciss: procfs updates to display info about many
splice: only return -EAGAIN if there's hope of more data
block: fix kernel-docbook parameters and files
Diffstat (limited to 'block/blk-barrier.c')
| -rw-r--r-- | block/blk-barrier.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/block/blk-barrier.c b/block/blk-barrier.c index 6901eedeffc..55c5f1fc4f1 100644 --- a/block/blk-barrier.c +++ b/block/blk-barrier.c @@ -259,8 +259,11 @@ int blk_do_ordered(struct request_queue *q, struct request **rqp) static void bio_end_empty_barrier(struct bio *bio, int err) { - if (err) + if (err) { + if (err == -EOPNOTSUPP) + set_bit(BIO_EOPNOTSUPP, &bio->bi_flags); clear_bit(BIO_UPTODATE, &bio->bi_flags); + } complete(bio->bi_private); } @@ -309,7 +312,9 @@ int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector) *error_sector = bio->bi_sector; ret = 0; - if (!bio_flagged(bio, BIO_UPTODATE)) + if (bio_flagged(bio, BIO_EOPNOTSUPP)) + ret = -EOPNOTSUPP; + else if (!bio_flagged(bio, BIO_UPTODATE)) ret = -EIO; bio_put(bio); |