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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-03-21 19:15:13 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-03-21 19:15:13 +0100 |
| commit | da6b9a2049b46efdf8555eadbb22364f70eac848 (patch) | |
| tree | b6f6541efa66c67e55b17eaedc0457fd9c1567c0 /include | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mas... (diff) | |
| parent | dm io: deal with wandering queue limits when handling REQ_DISCARD and REQ_WRI... (diff) | |
| download | linux-da6b9a2049b46efdf8555eadbb22364f70eac848.tar.xz linux-da6b9a2049b46efdf8555eadbb22364f70eac848.zip | |
Merge tag 'dm-4.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull devicemapper fixes from Mike Snitzer:
"A handful of stable fixes for DM:
- fix thin target to always zero-fill reads to unprovisioned blocks
- fix to interlock device destruction's suspend from internal
suspends
- fix 2 snapshot exception store handover bugs
- fix dm-io to cope with DISCARD and WRITE_SAME capabilities changing"
* tag 'dm-4.0-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm io: deal with wandering queue limits when handling REQ_DISCARD and REQ_WRITE_SAME
dm snapshot: suspend merging snapshot when doing exception handover
dm snapshot: suspend origin when doing exception handover
dm: hold suspend_lock while suspending device during device deletion
dm thin: fix to consistently zero-fill reads to unprovisioned blocks
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/device-mapper.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 2646aed1d3fe..fd23978d93fe 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -375,6 +375,7 @@ int dm_create(int minor, struct mapped_device **md); */ struct mapped_device *dm_get_md(dev_t dev); void dm_get(struct mapped_device *md); +int dm_hold(struct mapped_device *md); void dm_put(struct mapped_device *md); /* |