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Staging: zram: simplify zram_make_request

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zram_read() and zram_write() always return zero, so make them return
void to simplify the code.

Signed-off-by: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Nitin Gupta 2011-01-22 07:36:15 -05:00 committed by Greg Kroah-Hartman
parent dc7b202a4e
commit 7d7854b4da
1 changed files with 8 additions and 11 deletions
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19
drivers/staging/zram/zram_drv.c
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@ -200,7 +200,7 @@ static void handle_uncompressed_page(struct zram *zram,
flush_dcache_page(page);
}
static int zram_read(struct zram *zram, struct bio *bio)
static void zram_read(struct zram *zram, struct bio *bio)
{
int i;
@ -209,7 +209,7 @@ static int zram_read(struct zram *zram, struct bio *bio)
if (unlikely(!zram->init_done)) {
bio_endio(bio, -ENXIO);
return 0;
return;
}
zram_stat64_inc(zram, &zram->stats.num_reads);
@ -271,14 +271,13 @@ static int zram_read(struct zram *zram, struct bio *bio)
set_bit(BIO_UPTODATE, &bio->bi_flags);
bio_endio(bio, 0);
return 0;
return;
out:
bio_io_error(bio);
return 0;
}
static int zram_write(struct zram *zram, struct bio *bio)
static void zram_write(struct zram *zram, struct bio *bio)
{
int i, ret;
u32 index;
@ -402,11 +401,10 @@ memstore:
set_bit(BIO_UPTODATE, &bio->bi_flags);
bio_endio(bio, 0);
return 0;
return;
out:
bio_io_error(bio);
return 0;
}
/*
@ -431,7 +429,6 @@ static inline int valid_io_request(struct zram *zram, struct bio *bio)
*/
static int zram_make_request(struct request_queue *queue, struct bio *bio)
{
int ret = 0;
struct zram *zram = queue->queuedata;
if (!valid_io_request(zram, bio)) {
@ -442,15 +439,15 @@ static int zram_make_request(struct request_queue *queue, struct bio *bio)
switch (bio_data_dir(bio)) {
case READ:
ret = zram_read(zram, bio);
zram_read(zram, bio);
break;
case WRITE:
ret = zram_write(zram, bio);
zram_write(zram, bio);
break;
}
return ret;
return 0;
}
void zram_reset_device(struct zram *zram)