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Btrfs: Limit the number of async bio submission kthreads to the number of devices

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-08-15 15:34:14 -04:00
parent db69e0ebae
commit b720d20952
1 changed files with 3 additions and 1 deletions
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4
fs/btrfs/disk-io.c
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@ -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