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dump_page_cache
2011 Jan 04
16
[PATCH v2 0/5] add new ioctls to do metadata readahead in btrfs
Hi,
We have file readahead to do asyn file read, but has no metadata
readahead. For a list of files, their metadata is stored in fragmented
disk space and metadata read is a sync operation, which impacts the
efficiency of readahead much. The patches try to add meatadata readahead
for btrfs.
In btrfs, metadata is stored in btree_inode. Ideally, if we could hook
the inode to a fd so we could use