diff options
| author | Ken Preslan <kpreslan@redhat.com> | 2004-09-07 17:50:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-09-07 17:50:11 -0700 |
| commit | 22141f0513da328f8f4e405953e5e52fb7c4e65a (patch) | |
| tree | ebaa56d878ec10506714ab5765bf07648d1432f2 /include/linux | |
| parent | c1b76a2b004bbba387a7c6d26b29434a905bc058 (diff) | |
[PATCH] Allow cluster-wide flock
Below is a patch that lets a cluster filesystem (such as GFS) implement
flock across the cluster.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux')
| -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 68d486024d56..861be6705127 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -695,6 +695,7 @@ extern int posix_lock_file_wait(struct file *, struct file_lock *); extern void posix_block_lock(struct file_lock *, struct file_lock *); extern void posix_unblock_lock(struct file *, struct file_lock *); extern int posix_locks_deadlock(struct file_lock *, struct file_lock *); +extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl); extern int __break_lease(struct inode *inode, unsigned int flags); extern void lease_get_mtime(struct inode *, struct timespec *time); extern int lock_may_read(struct inode *, loff_t start, unsigned long count); @@ -912,6 +913,7 @@ struct file_operations { unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long); int (*check_flags)(int); int (*dir_notify)(struct file *filp, unsigned long arg); + int (*flock) (struct file *, int, struct file_lock *); }; struct inode_operations { |