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author | Takashi Iwai <tiwai@suse.de> | 2012-09-05 07:17:31 (GMT) |
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committer | Takashi Iwai <tiwai@suse.de> | 2012-09-05 07:17:31 (GMT) |
commit | 14e42917216ab0859827c2d8024df45a917301b4 (patch) | |
tree | efbea5d1c54387d62a6fd66a21560232cf312fda /drivers/block/drbd/drbd_bitmap.c | |
parent | 292f2b6254c9dbb98def6d3521b07a837545ead0 (diff) | |
parent | 4266274836e81575ee82498d84f4bd08ab7a7378 (diff) | |
download | linux-fsl-qoriq-14e42917216ab0859827c2d8024df45a917301b4.tar.xz |
Merge branch 'fixes' of git://git.alsa-project.org/alsa-kernel into for-next
Diffstat (limited to 'drivers/block/drbd/drbd_bitmap.c')
-rw-r--r-- | drivers/block/drbd/drbd_bitmap.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index ba91b40..d845664 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -889,6 +889,7 @@ struct bm_aio_ctx { unsigned int done; unsigned flags; #define BM_AIO_COPY_PAGES 1 +#define BM_WRITE_ALL_PAGES 2 int error; struct kref kref; }; @@ -1059,7 +1060,8 @@ static int bm_rw(struct drbd_conf *mdev, int rw, unsigned flags, unsigned lazy_w if (lazy_writeout_upper_idx && i == lazy_writeout_upper_idx) break; if (rw & WRITE) { - if (bm_test_page_unchanged(b->bm_pages[i])) { + if (!(flags & BM_WRITE_ALL_PAGES) && + bm_test_page_unchanged(b->bm_pages[i])) { dynamic_dev_dbg(DEV, "skipped bm write for idx %u\n", i); continue; } @@ -1141,6 +1143,17 @@ int drbd_bm_write(struct drbd_conf *mdev) __must_hold(local) } /** + * drbd_bm_write_all() - Write the whole bitmap to its on disk location. + * @mdev: DRBD device. + * + * Will write all pages. + */ +int drbd_bm_write_all(struct drbd_conf *mdev) __must_hold(local) +{ + return bm_rw(mdev, WRITE, BM_WRITE_ALL_PAGES, 0); +} + +/** * drbd_bm_lazy_write_out() - Write bitmap pages 0 to @upper_idx-1, if they have changed. * @mdev: DRBD device. * @upper_idx: 0: write all changed pages; +ve: page index to stop scanning for changed pages |