As 0 refers to an existing type BTRFS_ORDERED_IO_DONE, this specifies a new type 'REGULAR' for regular IO.
Signed-off-by: Liu Bo <[email protected]> --- This fixes the problem in the patch "[PATCH] Btrfs: create a helper to create em for IO". fs/btrfs/inode.c | 8 ++++---- fs/btrfs/ordered-data.h | 2 ++ 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 5e28355..f75c914 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -986,7 +986,7 @@ static noinline int cow_file_range(struct inode *inode, ins.offset, /* orig_block_len */ ram_size, /* ram_bytes */ BTRFS_COMPRESS_NONE, /* compress_type */ - 0 /* type */); + BTRFS_ORDERED_REGULAR /* type */); if (IS_ERR(em)) goto out_reserve; free_extent_map(em); @@ -7490,7 +7490,7 @@ static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len, ASSERT(type == BTRFS_ORDERED_PREALLOC || type == BTRFS_ORDERED_COMPRESSED || type == BTRFS_ORDERED_NOCOW || - type == 0); + type == BTRFS_ORDERED_REGULAR); em_tree = &BTRFS_I(inode)->extent_tree; em = alloc_extent_map(); @@ -7507,9 +7507,9 @@ static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len, em->ram_bytes = ram_bytes; em->generation = -1; set_bit(EXTENT_FLAG_PINNED, &em->flags); - if (type == BTRFS_ORDERED_PREALLOC) + if (type == BTRFS_ORDERED_PREALLOC) { set_bit(EXTENT_FLAG_FILLING, &em->flags); - else if (type == BTRFS_ORDERED_COMPRESSED) { + } else if (type == BTRFS_ORDERED_COMPRESSED) { set_bit(EXTENT_FLAG_COMPRESSED, &em->flags); em->compress_type = compress_type; } diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index 5f2b0ca..db003761 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -75,6 +75,8 @@ struct btrfs_ordered_sum { * in the logging code. */ #define BTRFS_ORDERED_PENDING 11 /* We are waiting for this ordered extent to * complete in the current transaction. */ +#define BTRFS_ORDERED_REGULAR 12 /* Regular IO for COW */ + struct btrfs_ordered_extent { /* logical offset in the file */ u64 file_offset; -- 2.5.5 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
