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| author | Arne Jansen <sensille@gmx.net> | 2011-06-10 13:55:54 +0200 |
|---|---|---|
| committer | Arne Jansen <sensille@gmx.net> | 2011-10-02 08:48:44 +0200 |
| commit | 4bb31e928d1a47f5bd046ecb176b8eff7c589fc0 (patch) | |
| tree | 61693e91f7a179b75cc43f5bcb504d50a342ecb7 /fs/btrfs/scrub.c | |
| parent | 7414a03fbf9e75fbbf2a3c16828cd862e572aa44 (diff) | |
| download | op-kernel-dev-4bb31e928d1a47f5bd046ecb176b8eff7c589fc0.zip op-kernel-dev-4bb31e928d1a47f5bd046ecb176b8eff7c589fc0.tar.gz | |
btrfs: hooks for readahead
This adds the hooks needed for readahead. In the readpage_end_io_hook,
the extent state is checked for the EXTENT_READAHEAD flag. Only in this
case the readahead hook is called, to keep the impact on non-ra as low
as possible.
Additionally, a hook for a failed IO is added, otherwise readahead would
wait indefinitely for the extent to finish.
Changes for v2:
- eliminate race condition
Signed-off-by: Arne Jansen <sensille@gmx.net>
Diffstat (limited to 'fs/btrfs/scrub.c')
0 files changed, 0 insertions, 0 deletions
