diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 75c4eaa7958821483c6829658ab6469a8ad8c152..54745b6c3db9c50af75b393c8b80d96460439c80 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -625,8 +625,11 @@ static int cifs_setlease(struct file *file, long arg, struct file_lock **lease) knows that the file won't be changed on the server by anyone else */ return generic_setlease(file, arg, lease); - else + else { + if (arg != F_UNLCK) + locks_free_lock(*lease); return -EAGAIN; + } } struct file_system_type cifs_fs_type = { diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index aa996471ec5c961d7d94c62c10a20d29ac8e1bbb..ac943c1307b5e33272f2d91d07f95c6a332f3e7a 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -629,6 +629,8 @@ static ssize_t gfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov, static int gfs2_setlease(struct file *file, long arg, struct file_lock **fl) { + if (arg != F_UNLCK) + locks_free_lock(*fl); return -EINVAL; } diff --git a/fs/locks.c b/fs/locks.c index 63fbc41cc573c0161c19ed83a1f16819acd0f7fd..5b526a9778828977871d01e610fdfd797da0527a 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -186,7 +186,7 @@ void locks_release_private(struct file_lock *fl) EXPORT_SYMBOL_GPL(locks_release_private); /* Free a lock which is not in use. */ -static void locks_free_lock(struct file_lock *fl) +void locks_free_lock(struct file_lock *fl) { BUG_ON(waitqueue_active(&fl->fl_wait)); BUG_ON(!list_empty(&fl->fl_block)); @@ -195,6 +195,7 @@ static void locks_free_lock(struct file_lock *fl) locks_release_private(fl); kmem_cache_free(filelock_cache, fl); } +EXPORT_SYMBOL(locks_free_lock); void locks_init_lock(struct file_lock *fl) { diff --git a/fs/nfs/file.c b/fs/nfs/file.c index e756075637b005ba1937b275c2d77ed3ff8ad676..1e524fb73ba56200be86a3675181c78d7bd02fde 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -884,6 +884,7 @@ static int nfs_setlease(struct file *file, long arg, struct file_lock **fl) dprintk("NFS: setlease(%s/%s, arg=%ld)\n", file->f_path.dentry->d_parent->d_name.name, file->f_path.dentry->d_name.name, arg); - + if (arg != F_UNLCK) + locks_free_lock(*fl); return -EINVAL; } diff --git a/include/linux/fs.h b/include/linux/fs.h index 7b7b507ffa1cb269266e74044e8e57ec8e0b5d7b..1eb29399a4ff4b82f00257e3c03090015c00060a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1129,6 +1129,7 @@ extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg); extern int fcntl_getlease(struct file *filp); /* fs/locks.c */ +void locks_free_lock(struct file_lock *fl); extern void locks_init_lock(struct file_lock *); extern struct file_lock * locks_alloc_lock(void); extern void locks_copy_lock(struct file_lock *, struct file_lock *);