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-rw-r--r--fs/btrfs/ctree.h3
-rw-r--r--fs/btrfs/file.c11
-rw-r--r--fs/btrfs/inode.c27
-rw-r--r--fs/btrfs/ioctl.c3
-rw-r--r--fs/btrfs/tree-log.c2
5 files changed, 29 insertions, 17 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 213535f..4414a5d 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 482f8db..da3ed96 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 176b6cc..2fdb299 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 7594bec..f4e5d2e 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 25f20ea..db5e212 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 ||
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