3.16.83-rc1 review patch. If anyone has any objections, please let me know.
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From: Wang Shilong wangsl.fnst@cn.fujitsu.com
commit c01a5c074c0f6f85a3b02e39432b9e5576ab51de upstream.
inline data is stored from offset of @disk_bytenr in struct btrfs_file_extent_item. So substracting total size of struct btrfs_file_extent_item is wrong, fix it.
Signed-off-by: Wang Shilong wangsl.fnst@cn.fujitsu.com Reviewed-by: David Sterba dsterba@suse.cz Signed-off-by: Chris Mason clm@fb.com Signed-off-by: Ben Hutchings ben@decadent.org.uk --- fs/btrfs/ctree.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -394,7 +394,7 @@ struct btrfs_header { #define BTRFS_LEAF_DATA_SIZE(r) (__BTRFS_LEAF_DATA_SIZE(r->leafsize)) #define BTRFS_MAX_INLINE_DATA_SIZE(r) (BTRFS_LEAF_DATA_SIZE(r) - \ sizeof(struct btrfs_item) - \ - sizeof(struct btrfs_file_extent_item)) + offsetof(struct btrfs_file_extent_item, disk_bytenr)) #define BTRFS_MAX_XATTR_SIZE(r) (BTRFS_LEAF_DATA_SIZE(r) - \ sizeof(struct btrfs_item) -\ sizeof(struct btrfs_dir_item))