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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-18 10:02:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-18 10:02:46 -0700 |
| commit | ef38ff9d372d4fe69e415370939a0f1fb5783af1 (patch) | |
| tree | fcf38cbbd55298606a695adaf7f2ea97f3185c19 /include | |
| parent | fda31d7d4b5a9c663ac3ed1ba244018a88deecaf (diff) | |
| parent | 62be1f71677c53d5e51223807a06ac9052f49b0f (diff) | |
| download | linux-ef38ff9d372d4fe69e415370939a0f1fb5783af1.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (49 commits)
[GFS2] fix assertion in log_refund()
[GFS2] fix GFP_KERNEL misuses
[GFS2] test for IS_ERR rather than 0
[GFS2] Invalidate cache at correct point
[GFS2] fs/gfs2/recovery.c: suppress warnings
[GFS2] Faster gfs2_bitfit algorithm
[GFS2] Streamline quota lock/check for no-quota case
[GFS2] Remove drop of module ref where not needed
[GFS2] gfs2_adjust_quota has broken unstuffing code
[GFS2] possible null pointer dereference fixup
[GFS2] Need to ensure that sector_t is 64bits for GFS2
[GFS2] re-support special inode
[GFS2] remove gfs2_dev_iops
[GFS2] fix file_system_type leak on gfs2meta mount
[GFS2] Allow bmap to allocate extents
[GFS2] Fix a page lock / glock deadlock
[GFS2] proper extern for gfs2/locking/dlm/mount.c:gdlm_ops
[GFS2] gfs2/ops_file.c should #include "ops_inode.h"
[GFS2] be*_add_cpu conversion
[GFS2] Fix bug where we called drop_bh incorrectly
...
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/lm_interface.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/lm_interface.h b/include/linux/lm_interface.h index 1418fdc9ac02..f274997bc283 100644 --- a/include/linux/lm_interface.h +++ b/include/linux/lm_interface.h @@ -21,9 +21,15 @@ typedef void (*lm_callback_t) (void *ptr, unsigned int type, void *data); * modify the filesystem. The lock module shouldn't assign a journal to the FS * mount. It shouldn't send recovery callbacks to the FS mount. If the node * dies or withdraws, all locks can be wiped immediately. + * + * LM_MFLAG_CONV_NODROP + * Do not allow the dlm to internally resolve conversion deadlocks by demoting + * the lock to unlocked and then reacquiring it in the requested mode. Instead, + * it should cancel the request and return LM_OUT_CONV_DEADLK. */ #define LM_MFLAG_SPECTATOR 0x00000001 +#define LM_MFLAG_CONV_NODROP 0x00000002 /* * lm_lockstruct flags @@ -110,6 +116,9 @@ typedef void (*lm_callback_t) (void *ptr, unsigned int type, void *data); * * LM_OUT_ASYNC * The result of the request will be returned in an LM_CB_ASYNC callback. + * + * LM_OUT_CONV_DEADLK + * The lock request was canceled do to a conversion deadlock. */ #define LM_OUT_ST_MASK 0x00000003 @@ -117,6 +126,7 @@ typedef void (*lm_callback_t) (void *ptr, unsigned int type, void *data); #define LM_OUT_CANCELED 0x00000008 #define LM_OUT_ASYNC 0x00000080 #define LM_OUT_ERROR 0x00000100 +#define LM_OUT_CONV_DEADLK 0x00000200 /* * lm_callback_t types |