diff options
| author | Pavel Machek <pavel@ucw.cz> | 2006-02-07 12:58:22 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-07 16:12:31 -0800 |
| commit | 7714d5985bb7101a90fb427dc29dc592cf1b960e (patch) | |
| tree | 60079a07fcbe5ac38c48e0ddc24d8132c66abe8c /kernel/power | |
| parent | 2139bdd5b15a4cc450adb17da836f33c16477188 (diff) | |
| download | lwn-7714d5985bb7101a90fb427dc29dc592cf1b960e.tar.gz lwn-7714d5985bb7101a90fb427dc29dc592cf1b960e.zip | |
[PATCH] swsusp: kill unneeded/unbalanced bio_get
- Remove unneeded bio_get() which would cause a bio leak
- Writing doesn't dirty pages. Reading dirties pages.
- We should dirty the pages after the IO completion, not before
(Busy-waiting for disk I/O completion isn't very polite.)
Signed-off-by: Pavel Machek <pavel@suse.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/swsusp.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index 59c91c148e82..4e90905f0e87 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c @@ -743,7 +743,6 @@ static int submit(int rw, pgoff_t page_off, void *page) if (!bio) return -ENOMEM; bio->bi_sector = page_off * (PAGE_SIZE >> 9); - bio_get(bio); bio->bi_bdev = resume_bdev; bio->bi_end_io = end_io; @@ -753,14 +752,13 @@ static int submit(int rw, pgoff_t page_off, void *page) goto Done; } - if (rw == WRITE) - bio_set_pages_dirty(bio); atomic_set(&io_done, 1); submit_bio(rw | (1 << BIO_RW_SYNC), bio); while (atomic_read(&io_done)) yield(); - + if (rw == READ) + bio_set_pages_dirty(bio); Done: bio_put(bio); return error; |