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5b29c449
2013 Sep 22
10
[PATCH] Btrfs: fix sync fs to actually wait for all data to be persisted
...0 mode 100644 links 1
item 5 key (257 INODE_REF 256) itemoff 3575 itemsize 16
inode ref index 2 namelen 6 name: foobar
checksum tree key (CSUM_TREE ROOT_ITEM 0)
leaf 29429760 items 0 free space 3995 generation 7 owner 7
fs uuid 6192815c-af2a-4b75-b3db-a959ffb6166e
chunk uuid b529c44b-938c-4d3d-910a-013b4700bcae
uuid tree key (UUID_TREE ROOT_ITEM 0)
After this patch, the data loss no longer happens after a power failure and
btrfs-debug-tree shows:
$ btrfs-debug-tree /dev/sdb3 | egrep ''\(257 INODE_ITEM 0\) itemoff'' -B 3 -A 8
item 3 key (256 DIR_INDEX 2) itemo...