diff options
Diffstat (limited to 'fs/locks.c')
| -rw-r--r-- | fs/locks.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/fs/locks.c b/fs/locks.c index a1e8b224801..909eab8fb1d 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -154,7 +154,7 @@ static struct file_lock *locks_alloc_lock(void) } /* Free a lock which is not in use. */ -static inline void locks_free_lock(struct file_lock *fl) +static void locks_free_lock(struct file_lock *fl) { if (fl == NULL) { BUG(); @@ -475,8 +475,7 @@ static inline int locks_overlap(struct file_lock *fl1, struct file_lock *fl2) /* * Check whether two locks have the same owner. */ -static inline int -posix_same_owner(struct file_lock *fl1, struct file_lock *fl2) +static int posix_same_owner(struct file_lock *fl1, struct file_lock *fl2) { if (fl1->fl_lmops && fl1->fl_lmops->fl_compare_owner) return fl2->fl_lmops == fl1->fl_lmops && @@ -487,7 +486,7 @@ posix_same_owner(struct file_lock *fl1, struct file_lock *fl2) /* Remove waiter from blocker's block list. * When blocker ends up pointing to itself then the list is empty. */ -static inline void __locks_delete_block(struct file_lock *waiter) +static void __locks_delete_block(struct file_lock *waiter) { list_del_init(&waiter->fl_block); list_del_init(&waiter->fl_link); @@ -1105,7 +1104,6 @@ static void time_out_leases(struct inode *inode) before = &fl->fl_next; continue; } - printk(KERN_INFO "lease broken - owner pid = %d\n", fl->fl_pid); lease_modify(before, fl->fl_type & ~F_INPROGRESS); if (fl == *before) /* lease_modify may have freed fl */ before = &fl->fl_next; @@ -1430,7 +1428,7 @@ int fcntl_setlease(unsigned int fd, struct file *filp, long arg) lock_kernel(); error = __setlease(filp, arg, &flp); - if (error) + if (error || arg == F_UNLCK) goto out_unlock; error = fasync_helper(fd, filp, 1, &flp->fl_fasync); @@ -1959,22 +1957,18 @@ EXPORT_SYMBOL(posix_block_lock); * * lockd needs to block waiting for locks. */ -void +int posix_unblock_lock(struct file *filp, struct file_lock *waiter) { - /* - * A remote machine may cancel the lock request after it's been - * granted locally. If that happens, we need to delete the lock. - */ + int status = 0; + lock_kernel(); - if (waiter->fl_next) { + if (waiter->fl_next) __locks_delete_block(waiter); - unlock_kernel(); - } else { - unlock_kernel(); - waiter->fl_type = F_UNLCK; - posix_lock_file(filp, waiter); - } + else + status = -ENOENT; + unlock_kernel(); + return status; } EXPORT_SYMBOL(posix_unblock_lock); |