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authorPaul Mundt <lethal@linux-sh.org>2011-08-08 13:45:28 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-08-08 13:45:28 +0900
commit77c7ee51a062bb595c501ec098125a68999c20c3 (patch)
treec5060ca5786ef353e005dae04b61d2c49967284d /fs/btrfs/compression.c
parent1ba762209491e2496e58baffa3fd65d661f54404 (diff)
parent322a8b034003c0d46d39af85bf24fee27b902f48 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
Conflicts: drivers/tty/serial/sh-sci.c Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'fs/btrfs/compression.c')
-rw-r--r--fs/btrfs/compression.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index bfe42b03eaf..8ec5d86f173 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -338,6 +338,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
u64 first_byte = disk_start;
struct block_device *bdev;
int ret;
+ int skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
WARN_ON(start & ((u64)PAGE_CACHE_SIZE - 1));
cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS);
@@ -392,8 +393,11 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
ret = btrfs_bio_wq_end_io(root->fs_info, bio, 0);
BUG_ON(ret);
- ret = btrfs_csum_one_bio(root, inode, bio, start, 1);
- BUG_ON(ret);
+ if (!skip_sum) {
+ ret = btrfs_csum_one_bio(root, inode, bio,
+ start, 1);
+ BUG_ON(ret);
+ }
ret = btrfs_map_bio(root, WRITE, bio, 0, 1);
BUG_ON(ret);
@@ -418,8 +422,10 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start,
ret = btrfs_bio_wq_end_io(root->fs_info, bio, 0);
BUG_ON(ret);
- ret = btrfs_csum_one_bio(root, inode, bio, start, 1);
- BUG_ON(ret);
+ if (!skip_sum) {
+ ret = btrfs_csum_one_bio(root, inode, bio, start, 1);
+ BUG_ON(ret);
+ }
ret = btrfs_map_bio(root, WRITE, bio, 0, 1);
BUG_ON(ret);