search for: reada_start_machine_worker

Displaying 3 results from an estimated 3 matches for "reada_start_machine_worker".

2012 May 16
0
[RESEND PATCH] Btrfs: set ioprio of scrub readahead to idle
...IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0)) + /* * The key defines the order in the tree, and so it also defines (optimal) * block layout. diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index ac5d010..48a4882 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -718,13 +718,18 @@ static void reada_start_machine_worker(struct btrfs_work *work) { struct reada_machine_work *rmw; struct btrfs_fs_info *fs_info; + int old_ioprio; rmw = container_of(work, struct reada_machine_work, work); fs_info = rmw->fs_info; kfree(rmw); + old_ioprio = IOPRIO_PRIO_VALUE(task_nice_ioclass(current), + tas...
2011 Jun 29
14
[PATCH v4 0/6] btrfs: generic readeahead interface
This series introduces a generic readahead interface for btrfs trees. The intention is to use it to speed up scrub in a first run, but balance is another hot candidate. In general, every tree walk could be accompanied by a readahead. Deletion of large files comes to mind, where the fetching of the csums takes most of the time. Also the initial build-ups of free-space-caches and
2011 Jun 10
6
[PATCH v2 0/6] btrfs: generic readeahead interface
This series introduces a generic readahead interface for btrfs trees. The intention is to use it to speed up scrub in a first run, but balance is another hot candidate. In general, every tree walk could be accompanied by a readahead. Deletion of large files comes to mind, where the fetching of the csums takes most of the time. Also the initial build-ups of free-space-caches and