On 06.07.2011 03:06, Li Zefan wrote:
> 21:00, Arne Jansen worte:
>> Hi Chris,
>>
>> since rc-6 seems to be the last rc for 3.0 and in case you're already
>> preparing your pull request for 3.1, can you please pull the following
>> updates for scrub, based on your for-linus tree (2f7e33d432)?
>>
>> git://git.kernel.org/pub/scm/linux/kernel/git/arne/btrfs-unstable-arne.git
>> for-chris
>>
>> It just contains the readahead patch, which gives a significant
>> performance improvement for scrub. Currently scrub is the only
>> consumer.
>>
>> Thanks,
>> Arne
>>
>> Arne Jansen (7):
>> btrfs: add an extra wait mode to read_extent_buffer_pages
>> btrfs: add READAHEAD extent buffer flag
>> btrfs: state information for readahead
>> btrfs: initial readahead code and prototypes
>> btrfs: hooks for readahead
>> btrfs: test ioctl for readahead
>
> Do we really want this ioctl that is merely for testing some kernel
> APIs in our upstream kernel?
Oh, I completely forgot about that. You're right of course. I pushed
the for-chris branch again, it now looks like this:
Arne Jansen (6):
btrfs: add an extra wait mode to read_extent_buffer_pages
btrfs: add READAHEAD extent buffer flag
btrfs: state information for readahead
btrfs: initial readahead code and prototypes
btrfs: hooks for readahead
btrfs: use readahead API for scrub
fs/btrfs/Makefile | 3 +-
fs/btrfs/ctree.h | 21 ++
fs/btrfs/disk-io.c | 85 +++++-
fs/btrfs/disk-io.h | 2 +
fs/btrfs/extent_io.c | 9 +-
fs/btrfs/extent_io.h | 4 +
fs/btrfs/reada.c | 949
++++++++++++++++++++++++++++++++++++++++++++++++++
fs/btrfs/scrub.c | 116 +++----
fs/btrfs/volumes.c | 8 +
fs/btrfs/volumes.h | 8 +
10 files changed, 1133 insertions(+), 72 deletions(-)
create mode 100644 fs/btrfs/reada.c
Thanks,
Arne
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