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btrfs: use nodesize everywhere, kill leafsize

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The nodesize and leafsize were never of different values. Unify the
usage and make nodesize the one. Cleanup the redundant checks and
helpers.

Shaves a few bytes from .text:

  text    data     bss     dec     hex filename
852418   24560   23112  900090   dbbfa btrfs.ko.before
851074   24584   23112  898770   db6d2 btrfs.ko.after

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
David Sterba
2014-06-04 19:22:26 +02:00
committed by Chris Mason
parent 962a298f35
commit 707e8a0715
15 changed files with 89 additions and 141 deletions
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fs/btrfs/qgroup.c
+2 -4
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@@ -2237,7 +2237,6 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
if (srcid) {
struct btrfs_root *srcroot;
struct btrfs_key srckey;
int srcroot_level;
srckey.objectid = srcid;
srckey.type = BTRFS_ROOT_ITEM_KEY;
@@ -2249,8 +2248,7 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
}
rcu_read_lock();
srcroot_level = btrfs_header_level(srcroot->node);
level_size = btrfs_level_size(srcroot, srcroot_level);
level_size = srcroot->nodesize;
rcu_read_unlock();
}
@@ -2566,7 +2564,7 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
found.type != BTRFS_METADATA_ITEM_KEY)
continue;
if (found.type == BTRFS_METADATA_ITEM_KEY)
num_bytes = fs_info->extent_root->leafsize;
num_bytes = fs_info->extent_root->nodesize;
else
num_bytes = found.offset;