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Kirill Smelkov
linux
Commits
5cf66426
Commit
5cf66426
authored
Nov 16, 2007
by
Yan
Committed by
Chris Mason
Sep 25, 2008
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Plain Diff
Btrfs: Off by one fixes for extent-tree.c
Signed-off-by:
Chris Mason
<
chris.mason@oracle.com
>
parent
5e5745dc
Changes
1
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Showing
1 changed file
with
3 additions
and
7 deletions
+3
-7
fs/btrfs/extent-tree.c
fs/btrfs/extent-tree.c
+3
-7
No files found.
fs/btrfs/extent-tree.c
View file @
5cf66426
...
...
@@ -150,12 +150,9 @@ struct btrfs_block_group_cache *btrfs_lookup_block_group(struct
return
NULL
;
block_group
=
(
struct
btrfs_block_group_cache
*
)(
unsigned
long
)
ptr
;
if
(
block_group
->
key
.
objectid
<=
bytenr
&&
bytenr
<=
if
(
block_group
->
key
.
objectid
<=
bytenr
&&
bytenr
<
block_group
->
key
.
objectid
+
block_group
->
key
.
offset
)
return
block_group
;
return
NULL
;
}
static
u64
find_search_start
(
struct
btrfs_root
*
root
,
...
...
@@ -195,7 +192,7 @@ static u64 find_search_start(struct btrfs_root *root,
continue
;
}
if
(
data
!=
BTRFS_BLOCK_GROUP_MIXED
&&
start
+
num
>
=
cache
->
key
.
objectid
+
cache
->
key
.
offset
)
start
+
num
>
cache
->
key
.
objectid
+
cache
->
key
.
offset
)
goto
new_group
;
return
start
;
}
...
...
@@ -1088,9 +1085,8 @@ static int find_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
if
(
ins
->
objectid
+
num_bytes
>=
search_end
)
goto
enospc
;
if
(
!
full_scan
&&
data
!=
BTRFS_BLOCK_GROUP_MIXED
&&
ins
->
objectid
+
num_bytes
>
=
block_group
->
ins
->
objectid
+
num_bytes
>
block_group
->
key
.
objectid
+
block_group
->
key
.
offset
)
{
search_start
=
block_group
->
key
.
objectid
+
block_group
->
key
.
offset
;
...
...
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