diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/acl.c | 4 | ||||
| -rw-r--r-- | fs/btrfs/disk-io.c | 12 | ||||
| -rw-r--r-- | fs/btrfs/extent-tree.c | 2 | ||||
| -rw-r--r-- | fs/btrfs/inode.c | 11 | ||||
| -rw-r--r-- | fs/btrfs/ioctl.c | 5 | ||||
| -rw-r--r-- | fs/btrfs/xattr.c | 2 | ||||
| -rw-r--r-- | fs/btrfs/xattr.h | 6 |
7 files changed, 14 insertions, 28 deletions
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index 6ef7b26724ec..8d432cd9d580 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -282,14 +282,14 @@ int btrfs_acl_chmod(struct inode *inode) return ret; } -struct xattr_handler btrfs_xattr_acl_default_handler = { +const struct xattr_handler btrfs_xattr_acl_default_handler = { .prefix = POSIX_ACL_XATTR_DEFAULT, .flags = ACL_TYPE_DEFAULT, .get = btrfs_xattr_acl_get, .set = btrfs_xattr_acl_set, }; -struct xattr_handler btrfs_xattr_acl_access_handler = { +const struct xattr_handler btrfs_xattr_acl_access_handler = { .prefix = POSIX_ACL_XATTR_ACCESS, .flags = ACL_TYPE_ACCESS, .get = btrfs_xattr_acl_get, diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index e7b8f2c89ccb..feca04197d02 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -44,8 +44,6 @@ static struct extent_io_ops btree_extent_io_ops; static void end_workqueue_fn(struct btrfs_work *work); static void free_fs_root(struct btrfs_root *root); -static atomic_t btrfs_bdi_num = ATOMIC_INIT(0); - /* * end_io_wq structs are used to do processing in task context when an IO is * complete. This is used during reads to verify checksums, and it is used @@ -1375,19 +1373,11 @@ static int setup_bdi(struct btrfs_fs_info *info, struct backing_dev_info *bdi) { int err; - bdi->name = "btrfs"; bdi->capabilities = BDI_CAP_MAP_COPY; - err = bdi_init(bdi); + err = bdi_setup_and_register(bdi, "btrfs", BDI_CAP_MAP_COPY); if (err) return err; - err = bdi_register(bdi, NULL, "btrfs-%d", - atomic_inc_return(&btrfs_bdi_num)); - if (err) { - bdi_destroy(bdi); - return err; - } - bdi->ra_pages = default_backing_dev_info.ra_pages; bdi->unplug_io_fn = btrfs_unplug_io_fn; bdi->unplug_io_data = info; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index b34d32fdaaec..c6a4f459ad76 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -1589,7 +1589,7 @@ static void btrfs_issue_discard(struct block_device *bdev, u64 start, u64 len) { blkdev_issue_discard(bdev, start >> 9, len >> 9, GFP_KERNEL, - DISCARD_FL_BARRIER); + BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER); } static int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr, diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 2bfdc641d4e3..d601629b85d1 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4121,16 +4121,7 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, if (ret != 0) goto fail; - inode->i_uid = current_fsuid(); - - if (dir && (dir->i_mode & S_ISGID)) { - inode->i_gid = dir->i_gid; - if (S_ISDIR(mode)) - mode |= S_ISGID; - } else - inode->i_gid = current_fsgid(); - - inode->i_mode = mode; + inode_init_owner(inode, dir, mode); inode->i_ino = objectid; inode_set_bytes(inode, 0); inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index e84ef60ffe35..97a97839a867 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1481,12 +1481,17 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, ret = -EBADF; goto out_drop_write; } + src = src_file->f_dentry->d_inode; ret = -EINVAL; if (src == inode) goto out_fput; + /* the src must be open for reading */ + if (!(src_file->f_mode & FMODE_READ)) + goto out_fput; + ret = -EISDIR; if (S_ISDIR(src->i_mode) || S_ISDIR(inode->i_mode)) goto out_fput; diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index 193b58f7d3f3..59acd3eb288a 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -282,7 +282,7 @@ err: * List of handlers for synthetic system.* attributes. All real ondisk * attributes are handled directly. */ -struct xattr_handler *btrfs_xattr_handlers[] = { +const struct xattr_handler *btrfs_xattr_handlers[] = { #ifdef CONFIG_BTRFS_FS_POSIX_ACL &btrfs_xattr_acl_access_handler, &btrfs_xattr_acl_default_handler, diff --git a/fs/btrfs/xattr.h b/fs/btrfs/xattr.h index 721efa0346e0..7a43fd640bbb 100644 --- a/fs/btrfs/xattr.h +++ b/fs/btrfs/xattr.h @@ -21,9 +21,9 @@ #include <linux/xattr.h> -extern struct xattr_handler btrfs_xattr_acl_access_handler; -extern struct xattr_handler btrfs_xattr_acl_default_handler; -extern struct xattr_handler *btrfs_xattr_handlers[]; +extern const struct xattr_handler btrfs_xattr_acl_access_handler; +extern const struct xattr_handler btrfs_xattr_acl_default_handler; +extern const struct xattr_handler *btrfs_xattr_handlers[]; extern ssize_t __btrfs_getxattr(struct inode *inode, const char *name, void *buffer, size_t size); |