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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-07 09:03:39 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-07 09:03:39 -0700
commit61906313bd41cde2f9aaa14e461e6108d3e71aaa (patch)
treec84805a9c67e3baf9e5acf13a3f55f7058a9131f /fs/btrfs/scrub.c
parent3aa2ae74ba630ec9b98736d64aea8e4cb490861d (diff)
parentd48b97b403d23f6df0b990cee652bdf9a52337a3 (diff)
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Merge 3.4-rc6 into usb-next
This resolves the conflict with: drivers/usb/host/ehci-tegra.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/scrub.c')
-rw-r--r--fs/btrfs/scrub.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index bc015f77f3ea..2f3d6f917fb3 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -998,6 +998,7 @@ static int scrub_setup_recheck_block(struct scrub_dev *sdev,
page = sblock->pagev + page_index;
page->logical = logical;
page->physical = bbio->stripes[mirror_index].physical;
+ /* for missing devices, bdev is NULL */
page->bdev = bbio->stripes[mirror_index].dev->bdev;
page->mirror_num = mirror_index + 1;
page->page = alloc_page(GFP_NOFS);
@@ -1042,6 +1043,12 @@ static int scrub_recheck_block(struct btrfs_fs_info *fs_info,
struct scrub_page *page = sblock->pagev + page_num;
DECLARE_COMPLETION_ONSTACK(complete);
+ if (page->bdev == NULL) {
+ page->io_error = 1;
+ sblock->no_io_error_seen = 0;
+ continue;
+ }
+
BUG_ON(!page->page);
bio = bio_alloc(GFP_NOFS, 1);
if (!bio)
@@ -1257,12 +1264,6 @@ static int scrub_checksum_data(struct scrub_block *sblock)
if (memcmp(csum, on_disk_csum, sdev->csum_size))
fail = 1;
- if (fail) {
- spin_lock(&sdev->stat_lock);
- ++sdev->stat.csum_errors;
- spin_unlock(&sdev->stat_lock);
- }
-
return fail;
}
@@ -1335,15 +1336,6 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
if (memcmp(calculated_csum, on_disk_csum, sdev->csum_size))
++crc_fail;
- if (crc_fail || fail) {
- spin_lock(&sdev->stat_lock);
- if (crc_fail)
- ++sdev->stat.csum_errors;
- if (fail)
- ++sdev->stat.verify_errors;
- spin_unlock(&sdev->stat_lock);
- }
-
return fail || crc_fail;
}