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| author | Mikulas Patocka <mpatocka@redhat.com> | 2009-04-02 20:55:38 +0200 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-04-02 20:55:38 +0200 |
| commit | f0b9a4502baa18f8a255a2866bb4e0655fb35974 (patch) | |
| tree | 28d45275783b68d608d632a84371aa6e625c08f5 /drivers/md/dm.c | |
| parent | dm: rename __split_bio (diff) | |
| download | linux-f0b9a4502baa18f8a255a2866bb4e0655fb35974.tar.xz linux-f0b9a4502baa18f8a255a2866bb4e0655fb35974.zip | |
dm: move bio_io_error into __split_and_process_bio
Move the bio_io_error() calls directly into __split_and_process_bio().
This avoids some code duplication in later patches.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 75d710493b7b..385c2e8f90c8 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -828,18 +828,20 @@ static int __clone_and_map(struct clone_info *ci) /* * Split the bio into several clones and submit it to targets. */ -static int __split_and_process_bio(struct mapped_device *md, struct bio *bio) +static void __split_and_process_bio(struct mapped_device *md, struct bio *bio) { struct clone_info ci; int error = 0; ci.map = dm_get_table(md); - if (unlikely(!ci.map)) - return -EIO; + if (unlikely(!ci.map)) { + bio_io_error(bio); + return; + } if (unlikely(bio_barrier(bio) && !dm_table_barrier_ok(ci.map))) { dm_table_put(ci.map); bio_endio(bio, -EOPNOTSUPP); - return 0; + return; } ci.md = md; ci.bio = bio; @@ -859,8 +861,6 @@ static int __split_and_process_bio(struct mapped_device *md, struct bio *bio) /* drop the extra reference count */ dec_pending(ci.io, error); dm_table_put(ci.map); - - return 0; } /*----------------------------------------------------------------- * CRUD END @@ -951,8 +951,9 @@ static int dm_request(struct request_queue *q, struct bio *bio) down_read(&md->io_lock); } - r = __split_and_process_bio(md, bio); + __split_and_process_bio(md, bio); up_read(&md->io_lock); + return 0; out_req: if (r < 0) @@ -1404,10 +1405,8 @@ static void __flush_deferred_io(struct mapped_device *md) { struct bio *c; - while ((c = bio_list_pop(&md->deferred))) { - if (__split_and_process_bio(md, c)) - bio_io_error(c); - } + while ((c = bio_list_pop(&md->deferred))) + __split_and_process_bio(md, c); clear_bit(DMF_BLOCK_IO, &md->flags); } |