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linux-sg2042
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block: consistently use GFP_NOIO instead of __GFP_NORECLAIM 

Same numerical value (for now at least), but a much better documentation
of intent.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2018-05-09 09:54:08 +02:00 committed by Jens Axboe
parent c3036021c7
commit 0eb0b63c1d
8 changed files with 16 additions and 15 deletions
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2
block/scsi_ioctl.c
View File

@ -499,7 +499,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
break;
}
if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, __GFP_RECLAIM)) {
if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, GFP_NOIO)) {
err = DRIVER_ERROR << 24;
goto error;
}

3
drivers/block/drbd/drbd_bitmap.c
View File

@ -1014,7 +1014,8 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho
bm_set_page_unchanged(b->bm_pages[page_nr]);
if (ctx->flags & BM_AIO_COPY_PAGES) {
page = mempool_alloc(drbd_md_io_page_pool, __GFP_HIGHMEM|__GFP_RECLAIM);
page = mempool_alloc(drbd_md_io_page_pool,
GFP_NOIO | __GFP_HIGHMEM);
copy_highpage(page, b->bm_pages[page_nr]);
bm_store_page_idx(page, page_nr);
} else

2
drivers/block/pktcdvd.c
View File

@ -710,7 +710,7 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *
if (cgc->buflen) {
ret = blk_rq_map_kern(q, rq, cgc->buffer, cgc->buflen,
__GFP_RECLAIM);
GFP_NOIO);
if (ret)
goto out;
}

2
drivers/ide/ide-tape.c
View File

@ -862,7 +862,7 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int size)
if (size) {
ret = blk_rq_map_kern(drive->queue, rq, tape->buf, size,
__GFP_RECLAIM);
GFP_NOIO);
if (ret)
goto out_put;
}

2
drivers/ide/ide-taskfile.c
View File

@ -442,7 +442,7 @@ int ide_raw_taskfile(ide_drive_t *drive, struct ide_cmd *cmd, u8 *buf,
*/
if (nsect) {
error = blk_rq_map_kern(drive->queue, rq, buf,
nsect * SECTOR_SIZE, __GFP_RECLAIM);
nsect * SECTOR_SIZE, GFP_NOIO);
if (error)
goto put_req;
}

2
drivers/scsi/scsi_lib.c
View File

@ -273,7 +273,7 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
rq = scsi_req(req);
if (bufflen && blk_rq_map_kern(sdev->request_queue, req,
buffer, bufflen, __GFP_RECLAIM))
buffer, bufflen, GFP_NOIO))
goto out;
rq->cmd_len = COMMAND_SIZE(cmd[0]);

4
fs/direct-io.c
View File

@ -432,8 +432,8 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio,
struct bio *bio;
/*
* bio_alloc() is guaranteed to return a bio when called with
* __GFP_RECLAIM and we request a valid number of vectors.
* bio_alloc() is guaranteed to return a bio when allowed to sleep and
* we request a valid number of vectors.
*/
bio = bio_alloc(GFP_KERNEL, nr_vecs);

14
kernel/power/swap.c
View File

@ -269,7 +269,7 @@ static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr,
struct bio *bio;
int error = 0;
bio = bio_alloc(__GFP_RECLAIM | __GFP_HIGH, 1);
bio = bio_alloc(GFP_NOIO | __GFP_HIGH, 1);
bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9);
bio_set_dev(bio, hib_resume_bdev);
bio_set_op_attrs(bio, op, op_flags);
@ -376,7 +376,7 @@ static int write_page(void *buf, sector_t offset, struct hib_bio_batch *hb)
return -ENOSPC;
if (hb) {
src = (void *)__get_free_page(__GFP_RECLAIM | __GFP_NOWARN |
src = (void *)__get_free_page(GFP_NOIO | __GFP_NOWARN |
__GFP_NORETRY);
if (src) {
copy_page(src, buf);
@ -384,7 +384,7 @@ static int write_page(void *buf, sector_t offset, struct hib_bio_batch *hb)
ret = hib_wait_io(hb); /* Free pages */
if (ret)
return ret;
src = (void *)__get_free_page(__GFP_RECLAIM |
src = (void *)__get_free_page(GFP_NOIO |
__GFP_NOWARN |
__GFP_NORETRY);
if (src) {
@ -691,7 +691,7 @@ static int save_image_lzo(struct swap_map_handle *handle,
nr_threads = num_online_cpus() - 1;
nr_threads = clamp_val(nr_threads, 1, LZO_THREADS);
page = (void *)__get_free_page(__GFP_RECLAIM | __GFP_HIGH);
page = (void *)__get_free_page(GFP_NOIO | __GFP_HIGH);
if (!page) {
pr_err("Failed to allocate LZO page\n");
ret = -ENOMEM;
@ -989,7 +989,7 @@ static int get_swap_reader(struct swap_map_handle *handle,
last = tmp;
tmp->map = (struct swap_map_page *)
__get_free_page(__GFP_RECLAIM | __GFP_HIGH);
__get_free_page(GFP_NOIO | __GFP_HIGH);
if (!tmp->map) {
release_swap_reader(handle);
return -ENOMEM;
@ -1261,8 +1261,8 @@ static int load_image_lzo(struct swap_map_handle *handle,
for (i = 0; i < read_pages; i++) {
page[i] = (void *)__get_free_page(i < LZO_CMP_PAGES ?
__GFP_RECLAIM | __GFP_HIGH :
__GFP_RECLAIM | __GFP_NOWARN |
GFP_NOIO | __GFP_HIGH :
GFP_NOIO | __GFP_NOWARN |
__GFP_NORETRY);
if (!page[i]) {