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authorChris Mason <chris.mason@oracle.com>2008-05-12 13:39:03 -0400
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:04:03 -0400
commit1259ab75c62462b8ffad90067b5e1f6312786a18 (patch)
treeccc6b795e524a74b3fb9666409ca2f7f33bf98dd /fs/btrfs/disk-io.h
parentca7a79ad8dbe24669a8ced01f9fc0126b872745d (diff)
downloadop-kernel-dev-1259ab75c62462b8ffad90067b5e1f6312786a18.zip
op-kernel-dev-1259ab75c62462b8ffad90067b5e1f6312786a18.tar.gz
Btrfs: Handle write errors on raid1 and raid10
When duplicate copies exist, writes are allowed to fail to one of those copies. This changeset includes a few changes that allow the FS to continue even when some IOs fail. It also adds verification of the parent generation number for btree blocks. This generation is stored in the pointer to a block, and it ensures that missed writes to are detected. Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.h')
-rw-r--r--fs/btrfs/disk-io.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index e29c895..30d1ed2 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -56,7 +56,7 @@ int btrfs_insert_dev_radix(struct btrfs_root *root,
void btrfs_btree_balance_dirty(struct btrfs_root *root, unsigned long nr);
int btrfs_free_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root);
void btrfs_mark_buffer_dirty(struct extent_buffer *buf);
-int btrfs_buffer_uptodate(struct extent_buffer *buf);
+int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid);
int btrfs_set_buffer_uptodate(struct extent_buffer *buf);
int wait_on_tree_block_writeback(struct btrfs_root *root,
struct extent_buffer *buf);
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