tree 3bc6fbbdc7188623783db379eff8fbf23cdcb514
parent bb82ab88dfdb12948af58989c75bfe904bc1b09d
author Arne Jansen <sensille@gmx.net> 1306153541 +0200
committer Arne Jansen <sensille@gmx.net> 1317538077 +0200

btrfs: add READAHEAD extent buffer flag

Add a READAHEAD extent buffer flag.
Add a function to trigger a read with this flag set.

Changes v2:
 - use extent buffer flags instead of extent state flags

Changes v5:
 - adapt to changed read_extent_buffer_pages interface
 - don't return eb from reada_tree_block_flagged if it has CORRUPT flag set

Signed-off-by: Arne Jansen <sensille@gmx.net>