btrfs: add READAHEAD extent buffer flag

Browse source

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>

...

This commit is contained in:

Arne Jansen 2011-05-23 14:25:41 +02:00

parent bb82ab88df

commit ab0fff0305

3 changed files with 35 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

32

fs/btrfs/disk-io.c

View file

2

fs/btrfs/disk-io.h

View file

1

fs/btrfs/extent_io.h

View file