diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/cifsfs.c | 7 | ||||
| -rw-r--r-- | fs/libfs.c | 4 | ||||
| -rw-r--r-- | fs/locks.c | 32 | ||||
| -rw-r--r-- | fs/nfsd/nfs4state.c | 4 |
4 files changed, 29 insertions, 18 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index ac4f260..85c70d5 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -800,7 +800,8 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int whence) return generic_file_llseek(file, offset, whence); } -static int cifs_setlease(struct file *file, long arg, struct file_lock **lease) +static int +cifs_setlease(struct file *file, long arg, struct file_lock **lease, void **priv) { /* * Note that this is called by vfs setlease with i_lock held to @@ -815,7 +816,7 @@ static int cifs_setlease(struct file *file, long arg, struct file_lock **lease) /* check if file is oplocked */ if (((arg == F_RDLCK) && CIFS_CACHE_READ(CIFS_I(inode))) || ((arg == F_WRLCK) && CIFS_CACHE_WRITE(CIFS_I(inode)))) - return generic_setlease(file, arg, lease); + return generic_setlease(file, arg, lease, priv); else if (tlink_tcon(cfile->tlink)->local_lease && !CIFS_CACHE_READ(CIFS_I(inode))) /* @@ -826,7 +827,7 @@ 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); + return generic_setlease(file, arg, lease, priv); else return -EAGAIN; } @@ -1081,12 +1081,14 @@ EXPORT_SYMBOL(alloc_anon_inode); * @filp: file pointer * @arg: type of lease to obtain * @flp: new lease supplied for insertion + * @priv: private data for lm_setup operation * * Generic helper for filesystems that do not wish to allow leases to be set. * All arguments are ignored and it just returns -EINVAL. */ int -simple_nosetlease(struct file *filp, long arg, struct file_lock **flp) +simple_nosetlease(struct file *filp, long arg, struct file_lock **flp, + void **priv) { return -EINVAL; } @@ -1297,7 +1297,6 @@ int lease_modify(struct file_lock **before, int arg) } return 0; } - EXPORT_SYMBOL(lease_modify); static bool past_time(unsigned long then) @@ -1543,7 +1542,8 @@ check_conflicting_open(const struct dentry *dentry, const long arg) return ret; } -static int generic_add_lease(struct file *filp, long arg, struct file_lock **flp) +static int +generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **priv) { struct file_lock *fl, **before, **my_before = NULL, *lease; struct dentry *dentry = filp->f_path.dentry; @@ -1630,11 +1630,14 @@ static int generic_add_lease(struct file *filp, long arg, struct file_lock **flp smp_mb(); error = check_conflicting_open(dentry, arg); if (error) - locks_unlink_lock(before); + goto out_unlink; out: if (is_deleg) mutex_unlock(&inode->i_mutex); return error; +out_unlink: + locks_unlink_lock(before); + goto out; } static int generic_delete_lease(struct file *filp) @@ -1661,13 +1664,15 @@ static int generic_delete_lease(struct file *filp) * @filp: file pointer * @arg: type of lease to obtain * @flp: input - file_lock to use, output - file_lock inserted + * @priv: private data for lm_setup * * The (input) flp->fl_lmops->lm_break function is required * by break_lease(). * * Called with inode->i_lock held. */ -int generic_setlease(struct file *filp, long arg, struct file_lock **flp) +int generic_setlease(struct file *filp, long arg, struct file_lock **flp, + void **priv) { struct dentry *dentry = filp->f_path.dentry; struct inode *inode = dentry->d_inode; @@ -1692,19 +1697,20 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp) WARN_ON_ONCE(1); return -ENOLCK; } - return generic_add_lease(filp, arg, flp); + return generic_add_lease(filp, arg, flp, priv); default: return -EINVAL; } } EXPORT_SYMBOL(generic_setlease); -static int __vfs_setlease(struct file *filp, long arg, struct file_lock **lease) +static int +__vfs_setlease(struct file *filp, long arg, struct file_lock **lease, void **priv) { if (filp->f_op->setlease) - return filp->f_op->setlease(filp, arg, lease); + return filp->f_op->setlease(filp, arg, lease, priv); else - return generic_setlease(filp, arg, lease); + return generic_setlease(filp, arg, lease, priv); } /** @@ -1712,6 +1718,7 @@ static int __vfs_setlease(struct file *filp, long arg, struct file_lock **lease) * @filp: file pointer * @arg: type of lease to obtain * @lease: file_lock to use when adding a lease + * @priv: private info for lm_setup when adding a lease * * Call this to establish a lease on the file. The "lease" argument is not * used for F_UNLCK requests and may be NULL. For commands that set or alter @@ -1720,13 +1727,14 @@ static int __vfs_setlease(struct file *filp, long arg, struct file_lock **lease) * stack trace). */ -int vfs_setlease(struct file *filp, long arg, struct file_lock **lease) +int +vfs_setlease(struct file *filp, long arg, struct file_lock **lease, void **priv) { struct inode *inode = file_inode(filp); int error; spin_lock(&inode->i_lock); - error = __vfs_setlease(filp, arg, lease); + error = __vfs_setlease(filp, arg, lease, priv); spin_unlock(&inode->i_lock); return error; @@ -1751,7 +1759,7 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg) } ret = fl; spin_lock(&inode->i_lock); - error = __vfs_setlease(filp, arg, &ret); + error = __vfs_setlease(filp, arg, &ret, NULL); if (error) goto out_unlock; if (ret == fl) @@ -1789,7 +1797,7 @@ out_unlock: int fcntl_setlease(unsigned int fd, struct file *filp, long arg) { if (arg == F_UNLCK) - return vfs_setlease(filp, F_UNLCK, NULL); + return vfs_setlease(filp, F_UNLCK, NULL, NULL); return do_fcntl_add_lease(fd, filp, arg); } diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 188cd68..7c803db 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -686,7 +686,7 @@ static void nfs4_put_deleg_lease(struct nfs4_file *fp) spin_unlock(&fp->fi_lock); if (filp) { - vfs_setlease(filp, F_UNLCK, NULL); + vfs_setlease(filp, F_UNLCK, NULL, NULL); fput(filp); } } @@ -3792,7 +3792,7 @@ static int nfs4_setlease(struct nfs4_delegation *dp) } fl->fl_file = filp; ret = fl; - status = vfs_setlease(filp, fl->fl_type, &ret); + status = vfs_setlease(filp, fl->fl_type, &fl, NULL); if (status) { locks_free_lock(fl); goto out_fput; |
