summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/brd.c16
-rw-r--r--drivers/block/zram/zram_drv.c23
-rw-r--r--drivers/nvdimm/btt.c12
-rw-r--r--drivers/nvdimm/pmem.c12
4 files changed, 32 insertions, 31 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 3439b28cce8b..0c76d4016eeb 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -300,20 +300,20 @@ static void copy_from_brd(void *dst, struct brd_device *brd,
* Process a single bvec of a bio.
*/
static int brd_do_bvec(struct brd_device *brd, struct page *page,
- unsigned int len, unsigned int off, int op,
+ unsigned int len, unsigned int off, bool is_write,
sector_t sector)
{
void *mem;
int err = 0;
- if (op_is_write(op)) {
+ if (is_write) {
err = copy_to_brd_setup(brd, sector, len);
if (err)
goto out;
}
mem = kmap_atomic(page);
- if (!op_is_write(op)) {
+ if (!is_write) {
copy_from_brd(mem + off, brd, sector, len);
flush_dcache_page(page);
} else {
@@ -350,8 +350,8 @@ static blk_qc_t brd_make_request(struct request_queue *q, struct bio *bio)
unsigned int len = bvec.bv_len;
int err;
- err = brd_do_bvec(brd, bvec.bv_page, len,
- bvec.bv_offset, bio_op(bio), sector);
+ err = brd_do_bvec(brd, bvec.bv_page, len, bvec.bv_offset,
+ op_is_write(bio_op(bio)), sector);
if (err)
goto io_error;
sector += len >> SECTOR_SHIFT;
@@ -366,11 +366,11 @@ io_error:
}
static int brd_rw_page(struct block_device *bdev, sector_t sector,
- struct page *page, int op)
+ struct page *page, bool is_write)
{
struct brd_device *brd = bdev->bd_disk->private_data;
- int err = brd_do_bvec(brd, page, PAGE_SIZE, 0, op, sector);
- page_endio(page, op, err);
+ int err = brd_do_bvec(brd, page, PAGE_SIZE, 0, is_write, sector);
+ page_endio(page, is_write, err);
return err;
}
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index ca29649c4b08..04365b17ee67 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -843,15 +843,16 @@ static void zram_bio_discard(struct zram *zram, u32 index,
}
static int zram_bvec_rw(struct zram *zram, struct bio_vec *bvec, u32 index,
- int offset, int op)
+ int offset, bool is_write)
{
unsigned long start_time = jiffies;
+ int rw_acct = is_write ? REQ_OP_WRITE : REQ_OP_READ;
int ret;
- generic_start_io_acct(op, bvec->bv_len >> SECTOR_SHIFT,
+ generic_start_io_acct(rw_acct, bvec->bv_len >> SECTOR_SHIFT,
&zram->disk->part0);
- if (!op_is_write(op)) {
+ if (!is_write) {
atomic64_inc(&zram->stats.num_reads);
ret = zram_bvec_read(zram, bvec, index, offset);
} else {
@@ -859,10 +860,10 @@ static int zram_bvec_rw(struct zram *zram, struct bio_vec *bvec, u32 index,
ret = zram_bvec_write(zram, bvec, index, offset);
}
- generic_end_io_acct(op, &zram->disk->part0, start_time);
+ generic_end_io_acct(rw_acct, &zram->disk->part0, start_time);
if (unlikely(ret)) {
- if (!op_is_write(op))
+ if (!is_write)
atomic64_inc(&zram->stats.failed_reads);
else
atomic64_inc(&zram->stats.failed_writes);
@@ -903,17 +904,17 @@ static void __zram_make_request(struct zram *zram, struct bio *bio)
bv.bv_offset = bvec.bv_offset;
if (zram_bvec_rw(zram, &bv, index, offset,
- bio_op(bio)) < 0)
+ op_is_write(bio_op(bio))) < 0)
goto out;
bv.bv_len = bvec.bv_len - max_transfer_size;
bv.bv_offset += max_transfer_size;
if (zram_bvec_rw(zram, &bv, index + 1, 0,
- bio_op(bio)) < 0)
+ op_is_write(bio_op(bio))) < 0)
goto out;
} else
if (zram_bvec_rw(zram, &bvec, index, offset,
- bio_op(bio)) < 0)
+ op_is_write(bio_op(bio))) < 0)
goto out;
update_position(&index, &offset, &bvec);
@@ -970,7 +971,7 @@ static void zram_slot_free_notify(struct block_device *bdev,
}
static int zram_rw_page(struct block_device *bdev, sector_t sector,
- struct page *page, int op)
+ struct page *page, bool is_write)
{
int offset, err = -EIO;
u32 index;
@@ -994,7 +995,7 @@ static int zram_rw_page(struct block_device *bdev, sector_t sector,
bv.bv_len = PAGE_SIZE;
bv.bv_offset = 0;
- err = zram_bvec_rw(zram, &bv, index, offset, op);
+ err = zram_bvec_rw(zram, &bv, index, offset, is_write);
put_zram:
zram_meta_put(zram);
out:
@@ -1007,7 +1008,7 @@ out:
* (e.g., SetPageError, set_page_dirty and extra works).
*/
if (err == 0)
- page_endio(page, op, 0);
+ page_endio(page, is_write, 0);
return err;
}
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 7cf3bdfaf809..88e91666f145 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1133,11 +1133,11 @@ static int btt_write_pg(struct btt *btt, struct bio_integrity_payload *bip,
static int btt_do_bvec(struct btt *btt, struct bio_integrity_payload *bip,
struct page *page, unsigned int len, unsigned int off,
- int op, sector_t sector)
+ bool is_write, sector_t sector)
{
int ret;
- if (!op_is_write(op)) {
+ if (!is_write) {
ret = btt_read_pg(btt, bip, page, off, sector, len);
flush_dcache_page(page);
} else {
@@ -1180,7 +1180,7 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio)
BUG_ON(len % btt->sector_size);
err = btt_do_bvec(btt, bip, bvec.bv_page, len, bvec.bv_offset,
- bio_op(bio), iter.bi_sector);
+ op_is_write(bio_op(bio)), iter.bi_sector);
if (err) {
dev_info(&btt->nd_btt->dev,
"io error in %s sector %lld, len %d,\n",
@@ -1200,12 +1200,12 @@ out:
}
static int btt_rw_page(struct block_device *bdev, sector_t sector,
- struct page *page, int op)
+ struct page *page, bool is_write)
{
struct btt *btt = bdev->bd_disk->private_data;
- btt_do_bvec(btt, NULL, page, PAGE_SIZE, 0, op, sector);
- page_endio(page, op, 0);
+ btt_do_bvec(btt, NULL, page, PAGE_SIZE, 0, is_write, sector);
+ page_endio(page, is_write, 0);
return 0;
}
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index d64d92481c1d..20bae50c231d 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -67,7 +67,7 @@ static void pmem_clear_poison(struct pmem_device *pmem, phys_addr_t offset,
}
static int pmem_do_bvec(struct pmem_device *pmem, struct page *page,
- unsigned int len, unsigned int off, int op,
+ unsigned int len, unsigned int off, bool is_write,
sector_t sector)
{
int rc = 0;
@@ -79,7 +79,7 @@ static int pmem_do_bvec(struct pmem_device *pmem, struct page *page,
if (unlikely(is_bad_pmem(&pmem->bb, sector, len)))
bad_pmem = true;
- if (!op_is_write(op)) {
+ if (!is_write) {
if (unlikely(bad_pmem))
rc = -EIO;
else {
@@ -134,7 +134,7 @@ static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio)
do_acct = nd_iostat_start(bio, &start);
bio_for_each_segment(bvec, bio, iter) {
rc = pmem_do_bvec(pmem, bvec.bv_page, bvec.bv_len,
- bvec.bv_offset, bio_op(bio),
+ bvec.bv_offset, op_is_write(bio_op(bio)),
iter.bi_sector);
if (rc) {
bio->bi_error = rc;
@@ -152,12 +152,12 @@ static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio)
}
static int pmem_rw_page(struct block_device *bdev, sector_t sector,
- struct page *page, int op)
+ struct page *page, bool is_write)
{
struct pmem_device *pmem = bdev->bd_queue->queuedata;
int rc;
- rc = pmem_do_bvec(pmem, page, PAGE_SIZE, 0, op, sector);
+ rc = pmem_do_bvec(pmem, page, PAGE_SIZE, 0, is_write, sector);
/*
* The ->rw_page interface is subtle and tricky. The core
@@ -166,7 +166,7 @@ static int pmem_rw_page(struct block_device *bdev, sector_t sector,
* caused by double completion.
*/
if (rc == 0)
- page_endio(page, op, 0);
+ page_endio(page, is_write, 0);
return rc;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 18:56:24 +0000