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authorBrian Norris <computersforpeace@gmail.com>2017-06-01 10:53:55 -0700
committerBrian Norris <computersforpeace@gmail.com>2017-06-01 10:53:55 -0700
commit05e97a9eda72d58dba293857df6aac62584ef99a (patch)
treee86e692f26d4879ff2210c54722e2b7780210249 /drivers/md/dm-mpath.c
parent2ea659a9ef488125eb46da6eb571de5eae5c43f6 (diff)
parentd4ed3b9015b5eebc90d629579d9e7944607cbae5 (diff)
Merge tag 'nand/fixes-for-4.12-rc3' of git://git.infradead.org/linux-mtd into MTD
From Boris: """ This pull request contains several fixes to the core and the tango driver. tango fixes: * Add missing MODULE_DEVICE_TABLE() in tango_nand.c * Update the number of corrected bitflips core fixes: * Fix a long standing memory leak in nand_scan_tail() * Fix several bugs introduced by the per-vendor init/detection infrastructure (introduced in 4.12) * Add a static specifier to nand_ooblayout_lp_hamming_ops definition """
Diffstat (limited to 'drivers/md/dm-mpath.c')
-rw-r--r--drivers/md/dm-mpath.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 926a6bcb32c8..3df056b73b66 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -447,7 +447,7 @@ failed:
* it has been invoked.
*/
#define dm_report_EIO(m) \
-({ \
+do { \
struct mapped_device *md = dm_table_get_md((m)->ti->table); \
\
pr_debug("%s: returning EIO; QIFNP = %d; SQIFNP = %d; DNFS = %d\n", \
@@ -455,8 +455,7 @@ failed:
test_bit(MPATHF_QUEUE_IF_NO_PATH, &(m)->flags), \
test_bit(MPATHF_SAVED_QUEUE_IF_NO_PATH, &(m)->flags), \
dm_noflush_suspending((m)->ti)); \
- -EIO; \
-})
+} while (0)
/*
* Map cloned requests (request-based multipath)
@@ -481,7 +480,8 @@ static int multipath_clone_and_map(struct dm_target *ti, struct request *rq,
if (!pgpath) {
if (test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags))
return DM_MAPIO_DELAY_REQUEUE;
- return dm_report_EIO(m); /* Failed */
+ dm_report_EIO(m); /* Failed */
+ return DM_MAPIO_KILL;
} else if (test_bit(MPATHF_QUEUE_IO, &m->flags) ||
test_bit(MPATHF_PG_INIT_REQUIRED, &m->flags)) {
if (pg_init_all_paths(m))
@@ -558,7 +558,8 @@ static int __multipath_map_bio(struct multipath *m, struct bio *bio, struct dm_m
if (!pgpath) {
if (test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags))
return DM_MAPIO_REQUEUE;
- return dm_report_EIO(m);
+ dm_report_EIO(m);
+ return -EIO;
}
mpio->pgpath = pgpath;
@@ -1493,7 +1494,7 @@ static int multipath_end_io(struct dm_target *ti, struct request *clone,
if (atomic_read(&m->nr_valid_paths) == 0 &&
!test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags)) {
if (error == -EIO)
- error = dm_report_EIO(m);
+ dm_report_EIO(m);
/* complete with the original error */
r = DM_ENDIO_DONE;
}
@@ -1524,8 +1525,10 @@ static int do_end_io_bio(struct multipath *m, struct bio *clone,
fail_path(mpio->pgpath);
if (atomic_read(&m->nr_valid_paths) == 0 &&
- !test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags))
- return dm_report_EIO(m);
+ !test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags)) {
+ dm_report_EIO(m);
+ return -EIO;
+ }
/* Queue for the daemon to resubmit */
dm_bio_restore(get_bio_details_from_bio(clone), clone);