From: Chris Mason Date: Fri, 15 Aug 2008 19:34:14 +0000 (-0400) Subject: Btrfs: Limit the number of async bio submission kthreads to the number of devices X-Git-Tag: upstream/snapshot3+hdmi~20477^2~11^2~55^2~56^2~30^2~55 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b720d209524fccdd33a499351f2ca880b8c0ffb4;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git Btrfs: Limit the number of async bio submission kthreads to the number of devices Signed-off-by: Chris Mason --- diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 56c54a4..99bd9f9 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1348,7 +1348,9 @@ struct btrfs_root *open_ctree(struct super_block *sb, * cannot dynamically grow. */ btrfs_init_workers(&fs_info->workers, fs_info->thread_pool_size); - btrfs_init_workers(&fs_info->submit_workers, fs_info->thread_pool_size); + btrfs_init_workers(&fs_info->submit_workers, + min_t(u64, fs_devices->num_devices, + fs_info->thread_pool_size)); /* a higher idle thresh on the submit workers makes it much more * likely that bios will be send down in a sane order to the