db69e0ebae
The writeback_index field is used by write_cache_pages to pick up where writeback on a given inode left off. But, it is never set to a sane value, so writeback can often start at a random offset in the file. Kernels 2.6.28 and higher will have this fixed, but for everyone else, we also fill in the value in btrfs. Signed-off-by: Chris Mason <chris.mason@oracle.com> |
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btrfs |