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| author |   Kinglong Mee <kinglongmee@gmail.com> | 2014-08-22 10:18:43 -0400 |
|---|---|---|
| committer |   Jeff Layton <jlayton@primarydata.com> | 2014-09-09 16:01:09 -0400 |
| commit | 5c97d7b1479982a48cf2129062b880c2555049ac (patch) | |
| tree | a0e740e0e35d0ccda973e4c13b84a89605fef176 /include/linux/fs.h | |
| parent | locks: Rename __locks_copy_lock() to locks_copy_conflock() (diff) | |
| download | linux-dev-5c97d7b1479982a48cf2129062b880c2555049ac.tar.xz linux-dev-5c97d7b1479982a48cf2129062b880c2555049ac.zip | |
locks: New ops in lock_manager_operations for get/put owner
NFSD or other lockmanager may increase the owner's reference,
so adds two new options for copying and releasing owner.
v5: change order from 2/6 to 3/6
v4: rename lm_copy_owner/lm_release_owner to lm_get_owner/lm_put_owner
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 5ab86f44b697..3b07ce2698de 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -868,6 +868,8 @@ struct file_lock_operations { struct lock_manager_operations { int (*lm_compare_owner)(struct file_lock *, struct file_lock *); unsigned long (*lm_owner_key)(struct file_lock *); + void (*lm_get_owner)(struct file_lock *, struct file_lock *); + void (*lm_put_owner)(struct file_lock *); void (*lm_notify)(struct file_lock *); /* unblock callback */ int (*lm_grant)(struct file_lock *, int); void (*lm_break)(struct file_lock *); |