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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 12:34:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 12:34:24 -0700 |
| commit | 2d56d3c43cc97ae48586745556f5a5b564d61582 (patch) | |
| tree | 28f2edc1e69b79e94d99023041dd0358861b6956 /include/linux/lockd | |
| parent | 0f9008ef38d5a6305d94bbdd8f20d68fc75c63b6 (diff) | |
| parent | 586759f03e2e9031ac5589912a51a909ed53c30a (diff) | |
| download | lwn-2d56d3c43cc97ae48586745556f5a5b564d61582.tar.gz lwn-2d56d3c43cc97ae48586745556f5a5b564d61582.zip | |
Merge branch 'server-cluster-locking-api' of git://linux-nfs.org/~bfields/linux
* 'server-cluster-locking-api' of git://linux-nfs.org/~bfields/linux:
gfs2: nfs lock support for gfs2
lockd: add code to handle deferred lock requests
lockd: always preallocate block in nlmsvc_lock()
lockd: handle test_lock deferrals
lockd: pass cookie in nlmsvc_testlock
lockd: handle fl_grant callbacks
lockd: save lock state on deferral
locks: add fl_grant callback for asynchronous lock return
nfsd4: Convert NFSv4 to new lock interface
locks: add lock cancel command
locks: allow {vfs,posix}_lock_file to return conflicting lock
locks: factor out generic/filesystem switch from setlock code
locks: factor out generic/filesystem switch from test_lock
locks: give posix_test_lock same interface as ->lock
locks: make ->lock release private data before returning in GETLK case
locks: create posix-to-flock helper functions
locks: trivial removal of unnecessary parentheses
Diffstat (limited to 'include/linux/lockd')
| -rw-r--r-- | include/linux/lockd/lockd.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index f6a81e0b1b93..05707e2fccae 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -119,6 +119,9 @@ struct nlm_file { * couldn't be granted because of a conflicting lock). */ #define NLM_NEVER (~(unsigned long) 0) +/* timeout on non-blocking call: */ +#define NLM_TIMEOUT (7 * HZ) + struct nlm_block { struct kref b_count; /* Reference count */ struct list_head b_list; /* linked list of all blocks */ @@ -130,6 +133,13 @@ struct nlm_block { unsigned int b_id; /* block id */ unsigned char b_granted; /* VFS granted lock */ struct nlm_file * b_file; /* file in question */ + struct cache_req * b_cache_req; /* deferred request handling */ + struct file_lock * b_fl; /* set for GETLK */ + struct cache_deferred_req * b_deferred_req; + unsigned int b_flags; /* block flags */ +#define B_QUEUED 1 /* lock queued */ +#define B_GOT_CALLBACK 2 /* got lock or conflicting lock */ +#define B_TIMED_OUT 4 /* filesystem too slow to respond */ }; /* @@ -185,8 +195,8 @@ typedef int (*nlm_host_match_fn_t)(struct nlm_host *cur, struct nlm_host *ref) __be32 nlmsvc_lock(struct svc_rqst *, struct nlm_file *, struct nlm_lock *, int, struct nlm_cookie *); __be32 nlmsvc_unlock(struct nlm_file *, struct nlm_lock *); -__be32 nlmsvc_testlock(struct nlm_file *, struct nlm_lock *, - struct nlm_lock *); +__be32 nlmsvc_testlock(struct svc_rqst *, struct nlm_file *, + struct nlm_lock *, struct nlm_lock *, struct nlm_cookie *); __be32 nlmsvc_cancel_blocked(struct nlm_file *, struct nlm_lock *); unsigned long nlmsvc_retry_blocked(void); void nlmsvc_traverse_blocks(struct nlm_host *, struct nlm_file *, |