diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-01-25 14:34:31 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-02 22:33:33 -0800 |
| commit | a8c1408f870ef5308088b02c76082136b2c514ad (patch) | |
| tree | 133eba948a6876550d9d20984907b54ec00b88a8 /mm/page_io.c | |
| parent | 7d28631786b2333c5d48ad25172eb159aaa2945f (diff) | |
mm: remove the swap_readpage return value
swap_readpage always returns 0, and no caller checks the return value.
[akpm@linux-foundation.org: fix void-returning swap_readpage() stub, per Keith]
Link: https://lkml.kernel.org/r/20230125133436.447864-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/page_io.c')
| -rw-r--r-- | mm/page_io.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/mm/page_io.c b/mm/page_io.c index 905d9fcc0c96..84b348fe4c7c 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -444,11 +444,9 @@ static void swap_readpage_fs(struct page *page, *plug = sio; } -int swap_readpage(struct page *page, bool synchronous, - struct swap_iocb **plug) +void swap_readpage(struct page *page, bool synchronous, struct swap_iocb **plug) { struct bio *bio; - int ret = 0; struct swap_info_struct *sis = page_swap_info(page); bool workingset = PageWorkingset(page); unsigned long pflags; @@ -480,15 +478,12 @@ int swap_readpage(struct page *page, bool synchronous, goto out; } - if (sis->flags & SWP_SYNCHRONOUS_IO) { - ret = bdev_read_page(sis->bdev, swap_page_sector(page), page); - if (!ret) { - count_vm_event(PSWPIN); - goto out; - } + if ((sis->flags & SWP_SYNCHRONOUS_IO) && + !bdev_read_page(sis->bdev, swap_page_sector(page), page)) { + count_vm_event(PSWPIN); + goto out; } - ret = 0; bio = bio_alloc(sis->bdev, 1, REQ_OP_READ, GFP_KERNEL); bio->bi_iter.bi_sector = swap_page_sector(page); bio->bi_end_io = end_swap_bio_read; @@ -520,7 +515,6 @@ out: psi_memstall_leave(&pflags); } delayacct_swapin_end(); - return ret; } void __swap_read_unplug(struct swap_iocb *sio) |