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authorChris Mason <chris.mason@oracle.com>2008-04-18 16:13:31 -0400
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:04:02 -0400
commit4575c9cceeca2f51c50536850e15e1dc5187f3d9 (patch)
tree4ae487b1cc5ad469505577de1035fbf71e330658 /fs/btrfs/disk-io.c
parent9ad6b7bc2e00ba02f915cffd5b6bcd6564bb2c75 (diff)
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.c4
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)
932#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23) 932#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
933 bdi_init(bdi); 933 bdi_init(bdi);
934#endif 934#endif
935 bdi->ra_pages = default_backing_dev_info.ra_pages * 4; 935 bdi->ra_pages = default_backing_dev_info.ra_pages;
936 bdi->state = 0; 936 bdi->state = 0;
937 bdi->capabilities = default_backing_dev_info.capabilities; 937 bdi->capabilities = default_backing_dev_info.capabilities;
938 bdi->unplug_io_fn = btrfs_unplug_io_fn; 938 bdi->unplug_io_fn = btrfs_unplug_io_fn;
@@ -1214,6 +1214,8 @@ struct btrfs_root *open_ctree(struct super_block *sb,
1214 (unsigned long long)fs_devices->num_devices); 1214 (unsigned long long)fs_devices->num_devices);
1215 goto fail_sb_buffer; 1215 goto fail_sb_buffer;
1216 } 1216 }
1217 fs_info->bdi.ra_pages *= btrfs_super_num_devices(disk_super);
1218
1217 nodesize = btrfs_super_nodesize(disk_super); 1219 nodesize = btrfs_super_nodesize(disk_super);
1218 leafsize = btrfs_super_leafsize(disk_super); 1220 leafsize = btrfs_super_leafsize(disk_super);
1219 sectorsize = btrfs_super_sectorsize(disk_super); 1221 sectorsize = btrfs_super_sectorsize(disk_super);