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2012 May 16
0
[RESEND PATCH] Btrfs: set ioprio of scrub readahead to idle
...TR 8 #define BTRFS_FT_MAX 9 +/* ioprio of readahead is set to idle */ +#define BTRFS_IOPRIO_READA (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);...