diff options
| author | Mike Snitzer <snitzer@redhat.com> | 2010-08-03 11:30:41 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2010-08-03 11:30:41 +1000 |
| commit | abccd1ab675331a4854de2290e28510e9d33a5b4 (patch) | |
| tree | 5bd2bfa05f4618f3a5caa17123bd3e0622910a7b /drivers/md | |
| parent | 8d8389c8dfc409ea8f2eb57962f0bd44603dd7dc (diff) | |
dm-error-return-error-for-discards
Have the error target respond to a discard request with a hard -EIO
rather than fail the request with -EOPNOTSUPP.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-target.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/dm-target.c b/drivers/md/dm-target.c index 11dea11dc0b6..8da366cf381c 100644 --- a/drivers/md/dm-target.c +++ b/drivers/md/dm-target.c @@ -113,6 +113,11 @@ void dm_unregister_target(struct target_type *tt) */ static int io_err_ctr(struct dm_target *tt, unsigned int argc, char **args) { + /* + * Return error for discards instead of -EOPNOTSUPP + */ + tt->num_discard_requests = 1; + return 0; } |