diff options
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index b2a2da5893af..7acbd2cf6192 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -349,7 +349,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg) btrfs_update_iflags(inode); inode_inc_iversion(inode); - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); ret = btrfs_update_inode(trans, root, inode); btrfs_end_transaction(trans, root); @@ -445,7 +445,7 @@ static noinline int create_subvol(struct inode *dir, struct btrfs_root *root = BTRFS_I(dir)->root; struct btrfs_root *new_root; struct btrfs_block_rsv block_rsv; - struct timespec cur_time = current_fs_time(dir->i_sb); + struct timespec cur_time = current_time(dir); struct inode *inode; int ret; int err; @@ -1634,6 +1634,9 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file, int namelen; int ret = 0; + if (!S_ISDIR(file_inode(file)->i_mode)) + return -ENOTDIR; + ret = mnt_want_write_file(file); if (ret) goto out; @@ -1691,6 +1694,9 @@ static noinline int btrfs_ioctl_snap_create(struct file *file, struct btrfs_ioctl_vol_args *vol_args; int ret; + if (!S_ISDIR(file_inode(file)->i_mode)) + return -ENOTDIR; + vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) return PTR_ERR(vol_args); @@ -1714,6 +1720,9 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file, bool readonly = false; struct btrfs_qgroup_inherit *inherit = NULL; + if (!S_ISDIR(file_inode(file)->i_mode)) + return -ENOTDIR; + vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) return PTR_ERR(vol_args); @@ -1894,8 +1903,9 @@ static noinline int may_destroy_subvol(struct btrfs_root *root) btrfs_dir_item_key_to_cpu(path->nodes[0], di, &key); if (key.objectid == root->root_key.objectid) { ret = -EPERM; - btrfs_err(root->fs_info, "deleting default subvolume " - "%llu is not allowed", key.objectid); + btrfs_err(root->fs_info, + "deleting default subvolume %llu is not allowed", + key.objectid); goto out; } btrfs_release_path(path); @@ -2357,6 +2367,9 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file, int ret; int err = 0; + if (!S_ISDIR(dir->i_mode)) + return -ENOTDIR; + vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) return PTR_ERR(vol_args); @@ -3279,7 +3292,7 @@ static int clone_finish_inode_update(struct btrfs_trans_handle *trans, inode_inc_iversion(inode); if (!no_time_update) - inode->i_mtime = inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_mtime = inode->i_ctime = current_time(inode); /* * We round up to the block size at eof when determining which * extents to clone above, but shouldn't round up the file size. @@ -3801,6 +3814,11 @@ process_slot: } btrfs_release_path(path); key.offset = next_key_min_offset; + + if (fatal_signal_pending(current)) { + ret = -EINTR; + goto out; + } } ret = 0; @@ -4085,8 +4103,8 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp) if (IS_ERR_OR_NULL(di)) { btrfs_free_path(path); btrfs_end_transaction(trans, root); - btrfs_err(new_root->fs_info, "Umm, you don't have the default dir" - "item, this isn't going to work"); + btrfs_err(new_root->fs_info, + "Umm, you don't have the default diritem, this isn't going to work"); ret = -ENOENT; goto out; } @@ -5094,7 +5112,7 @@ static long _btrfs_ioctl_set_received_subvol(struct file *file, struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_root_item *root_item = &root->root_item; struct btrfs_trans_handle *trans; - struct timespec ct = current_fs_time(inode->i_sb); + struct timespec ct = current_time(inode); int ret = 0; int received_uuid_changed; @@ -5295,8 +5313,9 @@ static int btrfs_ioctl_set_fslabel(struct file *file, void __user *arg) return -EFAULT; if (strnlen(label, BTRFS_LABEL_SIZE) == BTRFS_LABEL_SIZE) { - btrfs_err(root->fs_info, "unable to set label with more than %d bytes", - BTRFS_LABEL_SIZE - 1); + btrfs_err(root->fs_info, + "unable to set label with more than %d bytes", + BTRFS_LABEL_SIZE - 1); return -EINVAL; } |