diff options
author | David S. Miller <davem@davemloft.net> | 2010-04-13 03:28:45 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-04-13 03:28:45 -0400 |
commit | 9343af084c7e8911897b0883042ee690cee3aaef (patch) | |
tree | 6211a4bdc84690bec6530d27a3abb19f5e8bb8f3 /drivers/block/drbd/drbd_nl.c | |
parent | e182c77cc291456eed127b1472952ddb59a81a9d (diff) | |
parent | 0d0fb0f9c5fddef4a10242fe3337f00f528a3099 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
lib/Kconfig.debug
Diffstat (limited to 'drivers/block/drbd/drbd_nl.c')
-rw-r--r-- | drivers/block/drbd/drbd_nl.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 4df3b40b1057..6429d2b19e06 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c | |||
@@ -285,8 +285,8 @@ int drbd_set_role(struct drbd_conf *mdev, enum drbd_role new_role, int force) | |||
285 | } | 285 | } |
286 | 286 | ||
287 | if (r == SS_NO_UP_TO_DATE_DISK && force && | 287 | if (r == SS_NO_UP_TO_DATE_DISK && force && |
288 | (mdev->state.disk == D_INCONSISTENT || | 288 | (mdev->state.disk < D_UP_TO_DATE && |
289 | mdev->state.disk == D_OUTDATED)) { | 289 | mdev->state.disk >= D_INCONSISTENT)) { |
290 | mask.disk = D_MASK; | 290 | mask.disk = D_MASK; |
291 | val.disk = D_UP_TO_DATE; | 291 | val.disk = D_UP_TO_DATE; |
292 | forced = 1; | 292 | forced = 1; |
@@ -407,7 +407,7 @@ static int drbd_nl_primary(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp, | |||
407 | } | 407 | } |
408 | 408 | ||
409 | reply->ret_code = | 409 | reply->ret_code = |
410 | drbd_set_role(mdev, R_PRIMARY, primary_args.overwrite_peer); | 410 | drbd_set_role(mdev, R_PRIMARY, primary_args.primary_force); |
411 | 411 | ||
412 | return 0; | 412 | return 0; |
413 | } | 413 | } |
@@ -941,6 +941,25 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp | |||
941 | 941 | ||
942 | drbd_md_set_sector_offsets(mdev, nbc); | 942 | drbd_md_set_sector_offsets(mdev, nbc); |
943 | 943 | ||
944 | /* allocate a second IO page if logical_block_size != 512 */ | ||
945 | logical_block_size = bdev_logical_block_size(nbc->md_bdev); | ||
946 | if (logical_block_size == 0) | ||
947 | logical_block_size = MD_SECTOR_SIZE; | ||
948 | |||
949 | if (logical_block_size != MD_SECTOR_SIZE) { | ||
950 | if (!mdev->md_io_tmpp) { | ||
951 | struct page *page = alloc_page(GFP_NOIO); | ||
952 | if (!page) | ||
953 | goto force_diskless_dec; | ||
954 | |||
955 | dev_warn(DEV, "Meta data's bdev logical_block_size = %d != %d\n", | ||
956 | logical_block_size, MD_SECTOR_SIZE); | ||
957 | dev_warn(DEV, "Workaround engaged (has performance impact).\n"); | ||
958 | |||
959 | mdev->md_io_tmpp = page; | ||
960 | } | ||
961 | } | ||
962 | |||
944 | if (!mdev->bitmap) { | 963 | if (!mdev->bitmap) { |
945 | if (drbd_bm_init(mdev)) { | 964 | if (drbd_bm_init(mdev)) { |
946 | retcode = ERR_NOMEM; | 965 | retcode = ERR_NOMEM; |
@@ -980,25 +999,6 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp | |||
980 | goto force_diskless_dec; | 999 | goto force_diskless_dec; |
981 | } | 1000 | } |
982 | 1001 | ||
983 | /* allocate a second IO page if logical_block_size != 512 */ | ||
984 | logical_block_size = bdev_logical_block_size(nbc->md_bdev); | ||
985 | if (logical_block_size == 0) | ||
986 | logical_block_size = MD_SECTOR_SIZE; | ||
987 | |||
988 | if (logical_block_size != MD_SECTOR_SIZE) { | ||
989 | if (!mdev->md_io_tmpp) { | ||
990 | struct page *page = alloc_page(GFP_NOIO); | ||
991 | if (!page) | ||
992 | goto force_diskless_dec; | ||
993 | |||
994 | dev_warn(DEV, "Meta data's bdev logical_block_size = %d != %d\n", | ||
995 | logical_block_size, MD_SECTOR_SIZE); | ||
996 | dev_warn(DEV, "Workaround engaged (has performance impact).\n"); | ||
997 | |||
998 | mdev->md_io_tmpp = page; | ||
999 | } | ||
1000 | } | ||
1001 | |||
1002 | /* Reset the "barriers don't work" bits here, then force meta data to | 1002 | /* Reset the "barriers don't work" bits here, then force meta data to |
1003 | * be written, to ensure we determine if barriers are supported. */ | 1003 | * be written, to ensure we determine if barriers are supported. */ |
1004 | if (nbc->dc.no_md_flush) | 1004 | if (nbc->dc.no_md_flush) |