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btrfs: constify arguments of some functions

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There are several functions that take pointer arguments but don't need to
modify the objects they point to, so add the const qualifiers.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Filipe Manana
2026-04-07 18:55:58 +02:00
committed by David Sterba
parent 1fce8eec9f
commit 1899d9b09d
7 changed files with 13 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
fs/btrfs/disk-io.c
+3 -3
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@@ -728,7 +728,7 @@ void btrfs_global_root_delete(struct btrfs_root *root)
}
struct btrfs_root *btrfs_global_root(struct btrfs_fs_info *fs_info,
struct btrfs_key *key)
const struct btrfs_key *key)
{
struct rb_node *node;
struct btrfs_root *root = NULL;
@@ -765,7 +765,7 @@ static u64 btrfs_global_root_id(struct btrfs_fs_info *fs_info, u64 bytenr)
struct btrfs_root *btrfs_csum_root(struct btrfs_fs_info *fs_info, u64 bytenr)
{
struct btrfs_key key = {
const struct btrfs_key key = {
.objectid = BTRFS_CSUM_TREE_OBJECTID,
.type = BTRFS_ROOT_ITEM_KEY,
.offset = btrfs_global_root_id(fs_info, bytenr),
@@ -776,7 +776,7 @@ struct btrfs_root *btrfs_csum_root(struct btrfs_fs_info *fs_info, u64 bytenr)
struct btrfs_root *btrfs_extent_root(struct btrfs_fs_info *fs_info, u64 bytenr)
{
struct btrfs_key key = {
const struct btrfs_key key = {
.objectid = BTRFS_EXTENT_TREE_OBJECTID,
.type = BTRFS_ROOT_ITEM_KEY,
.offset = btrfs_global_root_id(fs_info, bytenr),
fs/btrfs/disk-io.h
+1 -1
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@@ -76,7 +76,7 @@ struct btrfs_root *btrfs_get_fs_root_commit_root(struct btrfs_fs_info *fs_info,
int btrfs_global_root_insert(struct btrfs_root *root);
void btrfs_global_root_delete(struct btrfs_root *root);
struct btrfs_root *btrfs_global_root(struct btrfs_fs_info *fs_info,
struct btrfs_key *key);
const struct btrfs_key *key);
struct btrfs_root *btrfs_csum_root(struct btrfs_fs_info *fs_info, u64 bytenr);
struct btrfs_root *btrfs_extent_root(struct btrfs_fs_info *fs_info, u64 bytenr);
fs/btrfs/fs.h
+2 -2
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@@ -966,13 +966,13 @@ struct btrfs_fs_info {
#define inode_to_fs_info(_inode) (BTRFS_I(_Generic((_inode), \
struct inode *: (_inode)))->root->fs_info)
static inline gfp_t btrfs_alloc_write_mask(struct address_space *mapping)
static inline gfp_t btrfs_alloc_write_mask(const struct address_space *mapping)
{
return mapping_gfp_constraint(mapping, ~__GFP_FS);
}
/* Return the minimal folio size of the fs. */
static inline unsigned int btrfs_min_folio_size(struct btrfs_fs_info *fs_info)
static inline unsigned int btrfs_min_folio_size(const struct btrfs_fs_info *fs_info)
{
return 1U << (PAGE_SHIFT + fs_info->block_min_order);
}
fs/btrfs/misc.h
+2 -1
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@@ -28,7 +28,8 @@
name = (1U << __ ## name ## _BIT), \
__ ## name ## _SEQ = __ ## name ## _BIT
static inline phys_addr_t bio_iter_phys(struct bio *bio, struct bvec_iter *iter)
static inline phys_addr_t bio_iter_phys(const struct bio *bio,
const struct bvec_iter *iter)
{
struct bio_vec bv = bio_iter_iovec(bio, *iter);
fs/btrfs/space-info.c
+3 -3
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@@ -412,10 +412,10 @@ void btrfs_add_bg_to_space_info(struct btrfs_fs_info *info,
up_write(&space_info->groups_sem);
}
struct btrfs_space_info *btrfs_find_space_info(struct btrfs_fs_info *info,
struct btrfs_space_info *btrfs_find_space_info(const struct btrfs_fs_info *info,
u64 flags)
{
struct list_head *head = &info->space_info;
const struct list_head *head = &info->space_info;
struct btrfs_space_info *found;
flags &= BTRFS_BLOCK_GROUP_TYPE_MASK;
@@ -427,7 +427,7 @@ struct btrfs_space_info *btrfs_find_space_info(struct btrfs_fs_info *info,
return NULL;
}
static u64 calc_effective_data_chunk_size(struct btrfs_fs_info *fs_info)
static u64 calc_effective_data_chunk_size(const struct btrfs_fs_info *fs_info)
{
struct btrfs_space_info *data_sinfo;
u64 data_chunk_size;
fs/btrfs/space-info.h
+1 -1
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@@ -292,7 +292,7 @@ void btrfs_add_bg_to_space_info(struct btrfs_fs_info *info,
struct btrfs_block_group *block_group);
void btrfs_update_space_info_chunk_size(struct btrfs_space_info *space_info,
u64 chunk_size);
struct btrfs_space_info *btrfs_find_space_info(struct btrfs_fs_info *info,
struct btrfs_space_info *btrfs_find_space_info(const struct btrfs_fs_info *info,
u64 flags);
void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
void btrfs_dump_space_info(struct btrfs_space_info *info, u64 bytes,
fs/btrfs/super.h
+1 -1
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@@ -18,7 +18,7 @@ char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info,
u64 subvol_objectid);
void btrfs_set_free_space_cache_settings(struct btrfs_fs_info *fs_info);
static inline struct btrfs_fs_info *btrfs_sb(struct super_block *sb)
static inline struct btrfs_fs_info *btrfs_sb(const struct super_block *sb)
{
return sb->s_fs_info;
}