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| author | Dennis Zhou <dennis@kernel.org> | 2019-02-04 21:19:57 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-02-25 14:13:30 +0100 |
| commit | 1972708a897e99b25cd7d246bd37d44a592c4b54 (patch) | |
| tree | e8297f7868f6e7eb09c4fe3141cab479ee37d278 /fs/btrfs/zlib.c | |
| parent | btrfs: introduce new ioctl to unregister a btrfs device (diff) | |
| download | linux-1972708a897e99b25cd7d246bd37d44a592c4b54.tar.xz linux-1972708a897e99b25cd7d246bd37d44a592c4b54.zip | |
btrfs: add helpers for compression type and level
It is very easy to miss places that rely on a certain bitshifting for
decoding the type_level overloading. Add helpers to do this instead.
Cc: Omar Sandoval <osandov@osandov.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/zlib.c')
| -rw-r--r-- | fs/btrfs/zlib.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c index 970ff3e35bb3..2bd655c4f8b4 100644 --- a/fs/btrfs/zlib.c +++ b/fs/btrfs/zlib.c @@ -393,7 +393,7 @@ next: static void zlib_set_level(struct list_head *ws, unsigned int type) { struct workspace *workspace = list_entry(ws, struct workspace, list); - unsigned level = (type & 0xF0) >> 4; + unsigned int level = btrfs_compress_level(type); if (level > 9) level = 9; |