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| author | Chris Mason <chris.mason@oracle.com> | 2008-04-18 16:13:31 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:02 -0400 |
| commit | 4575c9cceeca2f51c50536850e15e1dc5187f3d9 (patch) | |
| tree | 4ae487b1cc5ad469505577de1035fbf71e330658 /fs/btrfs/disk-io.c | |
| parent | 9ad6b7bc2e00ba02f915cffd5b6bcd6564bb2c75 (diff) | |
| download | lwn-4575c9cceeca2f51c50536850e15e1dc5187f3d9.tar.gz lwn-4575c9cceeca2f51c50536850e15e1dc5187f3d9.zip | |
Btrfs: Scale the bdi ra_pages by the number of devices in the FS
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index b479cdfe3ee8..46188ee16623 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -932,7 +932,7 @@ static int setup_bdi(struct btrfs_fs_info *info, struct backing_dev_info *bdi) #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23) bdi_init(bdi); #endif - bdi->ra_pages = default_backing_dev_info.ra_pages * 4; + bdi->ra_pages = default_backing_dev_info.ra_pages; bdi->state = 0; bdi->capabilities = default_backing_dev_info.capabilities; bdi->unplug_io_fn = btrfs_unplug_io_fn; @@ -1214,6 +1214,8 @@ struct btrfs_root *open_ctree(struct super_block *sb, (unsigned long long)fs_devices->num_devices); goto fail_sb_buffer; } + fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super); + nodesize = btrfs_super_nodesize(disk_super); leafsize = btrfs_super_leafsize(disk_super); sectorsize = btrfs_super_sectorsize(disk_super); |