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btrfs: remove all unused functions

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Remove static and global declarations and/or definitions. Reduces size
of btrfs.ko by ~3.4kB.

  text    data     bss     dec     hex filename
402081    7464     200  409745   64091 btrfs.ko.base
398620    7144     200  405964   631cc btrfs.ko.remove-all

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba
2011-05-05 12:44:41 +02:00
parent 621496f4fd
commit f2a97a9dbd
19 changed files with 1 additions and 817 deletions
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27
fs/btrfs/disk-io.c
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@@ -650,12 +650,6 @@ unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info)
return 256 * limit;
}
int btrfs_congested_async(struct btrfs_fs_info *info, int iodone)
{
return atomic_read(&info->nr_async_bios) >
btrfs_async_submit_limit(info);
}
static void run_one_async_start(struct btrfs_work *work)
{
struct async_submit_bio *async;
@@ -1283,21 +1277,6 @@ out:
return root;
}
struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info,
u64 root_objectid)
{
struct btrfs_root *root;
if (root_objectid == BTRFS_ROOT_TREE_OBJECTID)
return fs_info->tree_root;
if (root_objectid == BTRFS_EXTENT_TREE_OBJECTID)
return fs_info->extent_root;
root = radix_tree_lookup(&fs_info->fs_roots_radix,
(unsigned long)root_objectid);
return root;
}
struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info,
struct btrfs_key *location)
{
@@ -1369,11 +1348,6 @@ fail:
return ERR_PTR(ret);
}
struct btrfs_root *btrfs_read_fs_root(struct btrfs_fs_info *fs_info,
struct btrfs_key *location,
const char *name, int namelen)
{
return btrfs_read_fs_root_no_name(fs_info, location);
#if 0
struct btrfs_root *root;
int ret;
@@ -1402,7 +1376,6 @@ struct btrfs_root *btrfs_read_fs_root(struct btrfs_fs_info *fs_info,
root->in_sysfs = 1;
return root;
#endif
}
static int btrfs_congested_fn(void *congested_data, int bdi_bits)
{