struct block_device;
struct io_context;
struct cgroup_subsys_state;
-typedef void (bio_end_io_t) (struct bio *, int);
+typedef void (bio_end_io_t) (struct bio *);
typedef void (bio_destructor_t) (struct bio *);
/*
struct bio {
struct bio *bi_next; /* request queue link */
struct block_device *bi_bdev;
- unsigned long bi_flags; /* status, command, etc */
+ unsigned int bi_flags; /* status, command, etc */
+ int bi_error;
unsigned long bi_rw; /* bottom bits READ/WRITE,
* top bits priority
*/
/*
* bio flags
*/
-#define BIO_UPTODATE 0 /* ok after I/O completion */
#define BIO_SEG_VALID 1 /* bi_phys_segments valid */
#define BIO_CLONED 2 /* doesn't own data */
#define BIO_BOUNCED 3 /* bio is a bounce bio */
#define BIO_RESET_BITS 13
#define BIO_OWNS_VEC 13 /* bio_free() should free bvec */
-#define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag)))
-
/*
* top 4 bits of bio flags indicate the pool this bio came from
*/
#define BIO_POOL_BITS (4)
#define BIO_POOL_NONE ((1UL << BIO_POOL_BITS) - 1)
-#define BIO_POOL_OFFSET (BITS_PER_LONG - BIO_POOL_BITS)
+#define BIO_POOL_OFFSET (32 - BIO_POOL_BITS)
#define BIO_POOL_MASK (1UL << BIO_POOL_OFFSET)
#define BIO_POOL_IDX(bio) ((bio)->bi_flags >> BIO_POOL_OFFSET)