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nexedi
linux
Commits
1e2ef46d
Commit
1e2ef46d
authored
Jul 17, 2017
by
David Sterba
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btrfs: defrag: cleanup checking for compression status
Signed-off-by:
David Sterba
<
dsterba@suse.com
>
parent
eec63c65
Changes
1
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1 changed file
with
6 additions
and
6 deletions
+6
-6
fs/btrfs/ioctl.c
fs/btrfs/ioctl.c
+6
-6
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fs/btrfs/ioctl.c
View file @
1e2ef46d
...
...
@@ -1255,6 +1255,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
unsigned
long
cluster
=
max_cluster
;
u64
new_align
=
~
((
u64
)
SZ_128K
-
1
);
struct
page
**
pages
=
NULL
;
bool
do_compress
=
range
->
flags
&
BTRFS_DEFRAG_RANGE_COMPRESS
;
if
(
isize
==
0
)
return
0
;
...
...
@@ -1262,7 +1263,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
if
(
range
->
start
>=
isize
)
return
-
EINVAL
;
if
(
range
->
flags
&
BTRFS_DEFRAG_RANGE_COMPRESS
)
{
if
(
do_compress
)
{
if
(
range
->
compress_type
>
BTRFS_COMPRESS_TYPES
)
return
-
EINVAL
;
if
(
range
->
compress_type
)
...
...
@@ -1341,8 +1342,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
if
(
!
should_defrag_range
(
inode
,
(
u64
)
i
<<
PAGE_SHIFT
,
extent_thresh
,
&
last_len
,
&
skip
,
&
defrag_end
,
range
->
flags
&
BTRFS_DEFRAG_RANGE_COMPRESS
))
{
&
defrag_end
,
do_compress
)){
unsigned
long
next
;
/*
* the should_defrag function tells us how much to skip
...
...
@@ -1370,7 +1370,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
}
inode_lock
(
inode
);
if
(
range
->
flags
&
BTRFS_DEFRAG_RANGE_COMPRESS
)
if
(
do_compress
)
BTRFS_I
(
inode
)
->
defrag_compress
=
compress_type
;
ret
=
cluster_pages_for_defrag
(
inode
,
pages
,
i
,
cluster
);
if
(
ret
<
0
)
{
...
...
@@ -1418,7 +1418,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
filemap_flush
(
inode
->
i_mapping
);
}
if
(
(
range
->
flags
&
BTRFS_DEFRAG_RANGE_COMPRESS
)
)
{
if
(
do_compress
)
{
/* the filemap_flush will queue IO into the worker threads, but
* we have to make sure the IO is actually started and that
* ordered extents get created before we return
...
...
@@ -1440,7 +1440,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
ret
=
defrag_count
;
out_ra:
if
(
range
->
flags
&
BTRFS_DEFRAG_RANGE_COMPRESS
)
{
if
(
do_compress
)
{
inode_lock
(
inode
);
BTRFS_I
(
inode
)
->
defrag_compress
=
BTRFS_COMPRESS_NONE
;
inode_unlock
(
inode
);
...
...
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