#define PBLK_CACHE_NAME_LEN (DISK_NAME_LEN + 16)
-#define PBLK_COMMAND_TIMEOUT_MS 30000
-
/* Max 512 LUNs per device */
#define PBLK_MAX_LUNS_BITMAP (4)
u64 lba;
};
-/* partial read context */
-struct pblk_pr_ctx {
- struct bio *orig_bio;
- DECLARE_BITMAP(bitmap, NVM_MAX_VLBA);
- unsigned int orig_nr_secs;
- unsigned int bio_init_idx;
- void *ppa_ptr;
- dma_addr_t dma_ppa_list;
- u64 lba_list_mem[NVM_MAX_VLBA];
- u64 lba_list_media[NVM_MAX_VLBA];
-};
-
/* Pad context */
struct pblk_pad_rq {
struct pblk *pblk;
struct timer_list u_timer;
- unsigned long long nr_secs;
unsigned long total_blocks;
atomic_t free_blocks; /* Total number of free blocks (+ OP) */
struct pblk_w_err_gc {
int has_write_err;
+ int has_gc_err;
__le64 *lba_list;
};
int meta_line; /* Metadata line id */
int meta_distance; /* Distance between data and metadata */
- u64 smeta_ssec; /* Sector where smeta starts */
u64 emeta_ssec; /* Sector where emeta starts */
unsigned int sec_in_line; /* Number of usable secs in line */
unsigned int pos, unsigned int nr_entries,
unsigned int count);
int pblk_rb_copy_to_bio(struct pblk_rb *rb, struct bio *bio, sector_t lba,
- struct ppa_addr ppa, int bio_iter, bool advanced_bio);
+ struct ppa_addr ppa);
unsigned int pblk_rb_read_commit(struct pblk_rb *rb, unsigned int entries);
unsigned int pblk_rb_sync_init(struct pblk_rb *rb, unsigned long *flags);
struct pblk_line *gc_line, u64 paddr);
void pblk_lookup_l2p_rand(struct pblk *pblk, struct ppa_addr *ppas,
u64 *lba_list, int nr_secs);
-void pblk_lookup_l2p_seq(struct pblk *pblk, struct ppa_addr *ppas,
- sector_t blba, int nr_secs);
+int pblk_lookup_l2p_seq(struct pblk *pblk, struct ppa_addr *ppas,
+ sector_t blba, int nr_secs, bool *from_cache);
void *pblk_get_meta_for_writes(struct pblk *pblk, struct nvm_rq *rqd);
void pblk_get_packed_meta(struct pblk *pblk, struct nvm_rq *rqd);
/*
* pblk user I/O write path
*/
-int pblk_write_to_cache(struct pblk *pblk, struct bio *bio,
+void pblk_write_to_cache(struct pblk *pblk, struct bio *bio,
unsigned long flags);
int pblk_write_gc_to_cache(struct pblk *pblk, struct pblk_gc_rq *gc_rq);
* pblk read path
*/
extern struct bio_set pblk_bio_set;
-int pblk_submit_read(struct pblk *pblk, struct bio *bio);
+void pblk_submit_read(struct pblk *pblk, struct bio *bio);
int pblk_submit_read_gc(struct pblk *pblk, struct pblk_gc_rq *gc_rq);
/*
* pblk recovery
void pblk_gc_sysfs_state_show(struct pblk *pblk, int *gc_enabled,
int *gc_active);
int pblk_gc_sysfs_force(struct pblk *pblk, int force);
+void pblk_put_line_back(struct pblk *pblk, struct pblk_line *line);
/*
* pblk rate limiter