diff options
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 82d0342763c5..c77da440146a 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1963,11 +1963,13 @@ static int fill_holes(struct btrfs_trans_handle *trans, struct inode *inode, struct btrfs_key key; int ret; + if (btrfs_fs_incompat(root->fs_info, NO_HOLES)) + goto out; + key.objectid = btrfs_ino(inode); key.type = BTRFS_EXTENT_DATA_KEY; key.offset = offset; - ret = btrfs_search_slot(trans, root, &key, path, 0, 1); if (ret < 0) return ret; @@ -2064,8 +2066,10 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) u64 drop_end; int ret = 0; int err = 0; + int rsv_count; bool same_page = ((offset >> PAGE_CACHE_SHIFT) == ((offset + len - 1) >> PAGE_CACHE_SHIFT)); + bool no_holes = btrfs_fs_incompat(root->fs_info, NO_HOLES); ret = btrfs_wait_ordered_range(inode, offset, len); if (ret) @@ -2163,9 +2167,10 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) /* * 1 - update the inode * 1 - removing the extents in the range - * 1 - adding the hole extent + * 1 - adding the hole extent if no_holes isn't set */ - trans = btrfs_start_transaction(root, 3); + rsv_count = no_holes ? 2 : 3; + trans = btrfs_start_transaction(root, rsv_count); if (IS_ERR(trans)) { err = PTR_ERR(trans); goto out_free; @@ -2202,7 +2207,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) btrfs_end_transaction(trans, root); btrfs_btree_balance_dirty(root); - trans = btrfs_start_transaction(root, 3); + trans = btrfs_start_transaction(root, rsv_count); if (IS_ERR(trans)) { ret = PTR_ERR(trans); trans = NULL; |