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authorJan Schmidt <list.btrfs@jan-o-sch.net>2011-06-13 20:04:15 +0200
committerJan Schmidt <list.btrfs@jan-o-sch.net>2011-09-29 12:54:28 +0200
commit0ef8e45158f97dde4801b535e25f70f7caf01a27 (patch)
treed1c29055e475402613d529738225df79d8789d20 /fs/btrfs/extent_io.h
parente12fa9cd390f8e93a9144bd99bd6f6ed316fbc1e (diff)
btrfs scrub: add fixup code for errors on nodatasum files
This removes a FIXME comment and introduces the first part of nodatasum fixup: It gets the corresponding inode for a logical address and triggers a regular readpage for the corrupted sector. Once we have on-the-fly error correction our error will be automatically corrected. The correction code is expected to clear the newly introduced EXTENT_DAMAGED flag, making scrub report that error as "corrected" instead of "uncorrectable" eventually. Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Diffstat (limited to 'fs/btrfs/extent_io.h')
-rw-r--r--fs/btrfs/extent_io.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index a9dd994bf82..435d454b992 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -17,6 +17,7 @@
#define EXTENT_NODATASUM (1 << 10)
#define EXTENT_DO_ACCOUNTING (1 << 11)
#define EXTENT_FIRST_DELALLOC (1 << 12)
+#define EXTENT_DAMAGED (1 << 13)
#define EXTENT_IOBITS (EXTENT_LOCKED | EXTENT_WRITEBACK)
#define EXTENT_CTLBITS (EXTENT_DO_ACCOUNTING | EXTENT_FIRST_DELALLOC)