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| author | Alex Shi <alex.shi@linaro.org> | 2016-04-13 12:02:21 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-04-13 12:02:21 +0800 |
| commit | 08562bfcb85748c69e5824fc6d1d77d5725787e4 (patch) | |
| tree | 905e39ccad43e244dbb09d4eccce1c91e0facce0 /drivers/md/dm-cache-target.c | |
| parent | 9fe9bdd75b2ad9ed25152fce02f41fe63c542e8a (diff) | |
| parent | ad592b70ae97800d4f5bf535d45a680649e2789e (diff) | |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Diffstat (limited to 'drivers/md/dm-cache-target.c')
| -rw-r--r-- | drivers/md/dm-cache-target.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 5780accffa30..bb9b92ebbf8e 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -984,9 +984,14 @@ static void notify_mode_switch(struct cache *cache, enum cache_metadata_mode mod static void set_cache_mode(struct cache *cache, enum cache_metadata_mode new_mode) { - bool needs_check = dm_cache_metadata_needs_check(cache->cmd); + bool needs_check; enum cache_metadata_mode old_mode = get_cache_mode(cache); + if (dm_cache_metadata_needs_check(cache->cmd, &needs_check)) { + DMERR("unable to read needs_check flag, setting failure mode"); + new_mode = CM_FAIL; + } + if (new_mode == CM_WRITE && needs_check) { DMERR("%s: unable to switch cache to write mode until repaired.", cache_device_name(cache)); @@ -3510,6 +3515,7 @@ static void cache_status(struct dm_target *ti, status_type_t type, char buf[BDEVNAME_SIZE]; struct cache *cache = ti->private; dm_cblock_t residency; + bool needs_check; switch (type) { case STATUSTYPE_INFO: @@ -3583,7 +3589,9 @@ static void cache_status(struct dm_target *ti, status_type_t type, else DMEMIT("rw "); - if (dm_cache_metadata_needs_check(cache->cmd)) + r = dm_cache_metadata_needs_check(cache->cmd, &needs_check); + + if (r || needs_check) DMEMIT("needs_check "); else DMEMIT("- "); |