diff options
Diffstat (limited to 'fs/btrfs')
-rw-r--r-- | fs/btrfs/ctree.h | 3 | ||||
-rw-r--r-- | fs/btrfs/file.c | 11 | ||||
-rw-r--r-- | fs/btrfs/inode.c | 27 | ||||
-rw-r--r-- | fs/btrfs/ioctl.c | 3 | ||||
-rw-r--r-- | fs/btrfs/tree-log.c | 2 |
5 files changed, 29 insertions, 17 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 213535f45da..4414a5d9983 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2177,7 +2177,8 @@ int btrfs_check_file(struct btrfs_root *root, struct inode *inode); extern struct file_operations btrfs_file_operations; int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, - u64 start, u64 end, u64 inline_limit, u64 *hint_block); + u64 start, u64 end, u64 locked_end, + u64 inline_limit, u64 *hint_block); int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, u64 start, u64 end); diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 482f8db2cfd..da3ed965c95 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -363,15 +363,16 @@ out: */ noinline int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, - u64 start, u64 end, u64 inline_limit, u64 *hint_byte) + u64 start, u64 end, u64 locked_end, + u64 inline_limit, u64 *hint_byte) { u64 extent_end = 0; - u64 locked_end = end; u64 search_start = start; u64 leaf_start; u64 ram_bytes = 0; u64 orig_parent = 0; u64 disk_bytenr = 0; + u64 orig_locked_end = locked_end; u8 compression; u8 encryption; u16 other_encoding = 0; @@ -684,9 +685,9 @@ next_slot: } out: btrfs_free_path(path); - if (locked_end > end) { - unlock_extent(&BTRFS_I(inode)->io_tree, end, locked_end - 1, - GFP_NOFS); + if (locked_end > orig_locked_end) { + unlock_extent(&BTRFS_I(inode)->io_tree, orig_locked_end, + locked_end - 1, GFP_NOFS); } btrfs_check_file(root, inode); return ret; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 176b6cc28b1..2fdb2995be6 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -234,7 +234,7 @@ static noinline int cow_file_range_inline(struct btrfs_trans_handle *trans, } ret = btrfs_drop_extents(trans, root, inode, start, - aligned_end, start, &hint_byte); + aligned_end, aligned_end, start, &hint_byte); BUG_ON(ret); if (isize > actual_end) @@ -1439,6 +1439,7 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans, struct inode *inode, u64 file_pos, u64 disk_bytenr, u64 disk_num_bytes, u64 num_bytes, u64 ram_bytes, + u64 locked_end, u8 compression, u8 encryption, u16 other_encoding, int extent_type) { @@ -1455,7 +1456,8 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans, path->leave_spinning = 1; ret = btrfs_drop_extents(trans, root, inode, file_pos, - file_pos + num_bytes, file_pos, &hint); + file_pos + num_bytes, locked_end, + file_pos, &hint); BUG_ON(ret); ins.objectid = inode->i_ino; @@ -1590,6 +1592,8 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end) ordered_extent->disk_len, ordered_extent->len, ordered_extent->len, + ordered_extent->file_offset + + ordered_extent->len, compressed, 0, 0, BTRFS_FILE_EXTENT_REG); BUG_ON(ret); @@ -2877,6 +2881,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t size) err = btrfs_drop_extents(trans, root, inode, cur_offset, cur_offset + hole_size, + block_end, cur_offset, &hint_byte); if (err) break; @@ -4968,7 +4973,7 @@ out_fail: static int prealloc_file_range(struct btrfs_trans_handle *trans, struct inode *inode, u64 start, u64 end, - u64 alloc_hint, int mode) + u64 locked_end, u64 alloc_hint, int mode) { struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_key ins; @@ -4989,7 +4994,8 @@ static int prealloc_file_range(struct btrfs_trans_handle *trans, ret = insert_reserved_file_extent(trans, inode, cur_offset, ins.objectid, ins.offset, ins.offset, - ins.offset, 0, 0, 0, + ins.offset, locked_end, + 0, 0, 0, BTRFS_FILE_EXTENT_PREALLOC); BUG_ON(ret); num_bytes -= ins.offset; @@ -5018,6 +5024,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, u64 alloc_start; u64 alloc_end; u64 alloc_hint = 0; + u64 locked_end; u64 mask = BTRFS_I(inode)->root->sectorsize - 1; struct extent_map *em; struct btrfs_trans_handle *trans; @@ -5039,6 +5046,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, goto out; } + locked_end = alloc_end - 1; while (1) { struct btrfs_ordered_extent *ordered; @@ -5051,8 +5059,8 @@ static long btrfs_fallocate(struct inode *inode, int mode, /* the extent lock is ordered inside the running * transaction */ - lock_extent(&BTRFS_I(inode)->io_tree, alloc_start, - alloc_end - 1, GFP_NOFS); + lock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end, + GFP_NOFS); ordered = btrfs_lookup_first_ordered_extent(inode, alloc_end - 1); if (ordered && @@ -5060,7 +5068,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, ordered->file_offset < alloc_end) { btrfs_put_ordered_extent(ordered); unlock_extent(&BTRFS_I(inode)->io_tree, - alloc_start, alloc_end - 1, GFP_NOFS); + alloc_start, locked_end, GFP_NOFS); btrfs_end_transaction(trans, BTRFS_I(inode)->root); /* @@ -5085,7 +5093,8 @@ static long btrfs_fallocate(struct inode *inode, int mode, last_byte = (last_byte + mask) & ~mask; if (em->block_start == EXTENT_MAP_HOLE) { ret = prealloc_file_range(trans, inode, cur_offset, - last_byte, alloc_hint, mode); + last_byte, locked_end + 1, + alloc_hint, mode); if (ret < 0) { free_extent_map(em); break; @@ -5101,7 +5110,7 @@ static long btrfs_fallocate(struct inode *inode, int mode, break; } } - unlock_extent(&BTRFS_I(inode)->io_tree, alloc_start, alloc_end - 1, + unlock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end, GFP_NOFS); btrfs_end_transaction(trans, BTRFS_I(inode)->root); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 7594bec1be1..f4e5d2e5ece 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -830,7 +830,8 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, BUG_ON(!trans); /* punch hole in destination first */ - btrfs_drop_extents(trans, root, inode, off, off+len, 0, &hint_byte); + btrfs_drop_extents(trans, root, inode, off, off + len, + off + len, 0, &hint_byte); /* clone data */ key.objectid = src->i_ino; diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 25f20ea11f2..db5e212e844 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -536,7 +536,7 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans, saved_nbytes = inode_get_bytes(inode); /* drop any overlapping extents */ ret = btrfs_drop_extents(trans, root, inode, - start, extent_end, start, &alloc_hint); + start, extent_end, extent_end, start, &alloc_hint); BUG_ON(ret); if (found_type == BTRFS_FILE_EXTENT_REG || |