@@ -30,16 +30,6 @@ typedef void (*btrfs_bio_end_io_t)(struct btrfs_bio *bbio);
* passed to btrfs_submit_bio for mapping to the physical devices.
*/
struct btrfs_bio {
- unsigned int mirror_num:7;
-
- /*
- * Extra indicator for metadata bios.
- * For some btrfs bios they use pages without a mapping, thus
- * we can not rely on page->mapping->host to determine if
- * it's a metadata bio.
- */
- unsigned int is_metadata:1;
-
/* Inode and offset into it that this I/O operates on. */
struct btrfs_inode *inode;
u64 file_offset;
@@ -64,6 +54,7 @@ struct btrfs_bio {
void *private;
/* For internal use in read end I/O handling */
+ unsigned int mirror_num;
struct work_struct end_io_work;
/*
@@ -846,7 +846,6 @@ void btrfs_submit_metadata_bio(struct btrfs_inode *inode, struct bio *bio, int m
blk_status_t ret;
bio->bi_opf |= REQ_META;
- bbio->is_metadata = 1;
if (btrfs_op(bio) != BTRFS_MAP_WRITE) {
btrfs_submit_bio(fs_info, bio, mirror_num);
This flag is unused now, so remove it. Re-expand the mirror_num field to 8 bits, and move it to the I/O completion internal section of the structure. Signed-off-by: Christoph Hellwig <hch@lst.de> --- fs/btrfs/bio.h | 11 +---------- fs/btrfs/disk-io.c | 1 - 2 files changed, 1 insertion(+), 11 deletions(-)