[PATCH 01/21] Btrfs: get rid of *_alloc_profile fields

[Ilya Dryomov]

{data,metadata,system}_alloc_profile fields have been unused for a long
time now.  Get rid of them.

Signed-off-by: Ilya Dryomov <idryo...@gmail.com>
---
 fs/btrfs/ctree.h       |    3 ---
 fs/btrfs/disk-io.c     |    3 ---
 fs/btrfs/extent-tree.c |   10 ++++------
 fs/btrfs/volumes.c     |    6 ++----
 4 files changed, 6 insertions(+), 16 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 6738503..f5434ad 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1135,9 +1135,6 @@ struct btrfs_fs_info {
        u64 avail_data_alloc_bits;
        u64 avail_metadata_alloc_bits;
        u64 avail_system_alloc_bits;
-       u64 data_alloc_profile;
-       u64 metadata_alloc_profile;
-       u64 system_alloc_profile;
 
        unsigned data_chunk_allocations;
        unsigned metadata_ratio;
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 3f9d555..ce9d0fb 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2321,9 +2321,6 @@ retry_root_backup:
 
        fs_info->generation = generation;
        fs_info->last_trans_committed = generation;
-       fs_info->data_alloc_profile = (u64)-1;
-       fs_info->metadata_alloc_profile = (u64)-1;
-       fs_info->system_alloc_profile = fs_info->metadata_alloc_profile;
 
        ret = btrfs_init_space_info(fs_info);
        if (ret) {
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 8603ee4..f0591fd 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3067,14 +3067,12 @@ u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, 
u64 flags)
 static u64 get_alloc_profile(struct btrfs_root *root, u64 flags)
 {
        if (flags & BTRFS_BLOCK_GROUP_DATA)
-               flags |= root->fs_info->avail_data_alloc_bits &
-                        root->fs_info->data_alloc_profile;
+               flags |= root->fs_info->avail_data_alloc_bits;
        else if (flags & BTRFS_BLOCK_GROUP_SYSTEM)
-               flags |= root->fs_info->avail_system_alloc_bits &
-                        root->fs_info->system_alloc_profile;
+               flags |= root->fs_info->avail_system_alloc_bits;
        else if (flags & BTRFS_BLOCK_GROUP_METADATA)
-               flags |= root->fs_info->avail_metadata_alloc_bits &
-                        root->fs_info->metadata_alloc_profile;
+               flags |= root->fs_info->avail_metadata_alloc_bits;
+
        return btrfs_reduce_alloc_profile(root, flags);
 }
 
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index f4b839f..89096f6 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2752,8 +2752,7 @@ static noinline int init_first_rw_device(struct 
btrfs_trans_handle *trans,
                return ret;
 
        alloc_profile = BTRFS_BLOCK_GROUP_METADATA |
-                       (fs_info->metadata_alloc_profile &
-                        fs_info->avail_metadata_alloc_bits);
+                               fs_info->avail_metadata_alloc_bits;
        alloc_profile = btrfs_reduce_alloc_profile(root, alloc_profile);
 
        ret = __btrfs_alloc_chunk(trans, extent_root, &map, &chunk_size,
@@ -2763,8 +2762,7 @@ static noinline int init_first_rw_device(struct 
btrfs_trans_handle *trans,
        sys_chunk_offset = chunk_offset + chunk_size;
 
        alloc_profile = BTRFS_BLOCK_GROUP_SYSTEM |
-                       (fs_info->system_alloc_profile &
-                        fs_info->avail_system_alloc_bits);
+                               fs_info->avail_system_alloc_bits;
        alloc_profile = btrfs_reduce_alloc_profile(root, alloc_profile);
 
        ret = __btrfs_alloc_chunk(trans, extent_root, &sys_map,
-- 
1.7.6.3

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