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Diffstat (limited to 'fs/btrfs/block-group.c')
-rw-r--r--fs/btrfs/block-group.c47
1 files changed, 25 insertions, 22 deletions
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 498442d0c216..7980b2e33a92 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -23,7 +23,7 @@
#include "extent-tree.h"
#ifdef CONFIG_BTRFS_DEBUG
-int btrfs_should_fragment_free_space(struct btrfs_block_group *block_group)
+int btrfs_should_fragment_free_space(const struct btrfs_block_group *block_group)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
@@ -40,9 +40,9 @@ int btrfs_should_fragment_free_space(struct btrfs_block_group *block_group)
*
* Should be called with balance_lock held
*/
-static u64 get_restripe_target(struct btrfs_fs_info *fs_info, u64 flags)
+static u64 get_restripe_target(const struct btrfs_fs_info *fs_info, u64 flags)
{
- struct btrfs_balance_control *bctl = fs_info->balance_ctl;
+ const struct btrfs_balance_control *bctl = fs_info->balance_ctl;
u64 target = 0;
if (!bctl)
@@ -1223,8 +1223,8 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
block_group->space_info->total_bytes -= block_group->length;
block_group->space_info->bytes_readonly -=
(block_group->length - block_group->zone_unusable);
- block_group->space_info->bytes_zone_unusable -=
- block_group->zone_unusable;
+ btrfs_space_info_update_bytes_zone_unusable(fs_info, block_group->space_info,
+ -block_group->zone_unusable);
block_group->space_info->disk_total -= block_group->length * factor;
spin_unlock(&block_group->space_info->lock);
@@ -1396,7 +1396,8 @@ static int inc_block_group_ro(struct btrfs_block_group *cache, int force)
if (btrfs_is_zoned(cache->fs_info)) {
/* Migrate zone_unusable bytes to readonly */
sinfo->bytes_readonly += cache->zone_unusable;
- sinfo->bytes_zone_unusable -= cache->zone_unusable;
+ btrfs_space_info_update_bytes_zone_unusable(cache->fs_info, sinfo,
+ -cache->zone_unusable);
cache->zone_unusable = 0;
}
cache->ro++;
@@ -1414,9 +1415,9 @@ out:
}
static bool clean_pinned_extents(struct btrfs_trans_handle *trans,
- struct btrfs_block_group *bg)
+ const struct btrfs_block_group *bg)
{
- struct btrfs_fs_info *fs_info = bg->fs_info;
+ struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_transaction *prev_trans = NULL;
const u64 start = bg->start;
const u64 end = start + bg->length - 1;
@@ -1755,14 +1756,14 @@ static int reclaim_bgs_cmp(void *unused, const struct list_head *a,
return bg1->used > bg2->used;
}
-static inline bool btrfs_should_reclaim(struct btrfs_fs_info *fs_info)
+static inline bool btrfs_should_reclaim(const struct btrfs_fs_info *fs_info)
{
if (btrfs_is_zoned(fs_info))
return btrfs_zoned_should_reclaim(fs_info);
return true;
}
-static bool should_reclaim_block_group(struct btrfs_block_group *bg, u64 bytes_freed)
+static bool should_reclaim_block_group(const struct btrfs_block_group *bg, u64 bytes_freed)
{
const int thresh_pct = btrfs_calc_reclaim_threshold(bg->space_info);
u64 thresh_bytes = mult_perc(bg->length, thresh_pct);
@@ -2005,8 +2006,8 @@ void btrfs_mark_bg_to_reclaim(struct btrfs_block_group *bg)
spin_unlock(&fs_info->unused_bgs_lock);
}
-static int read_bg_from_eb(struct btrfs_fs_info *fs_info, struct btrfs_key *key,
- struct btrfs_path *path)
+static int read_bg_from_eb(struct btrfs_fs_info *fs_info, const struct btrfs_key *key,
+ const struct btrfs_path *path)
{
struct btrfs_chunk_map *map;
struct btrfs_block_group_item bg;
@@ -2054,7 +2055,7 @@ out_free_map:
static int find_first_block_group(struct btrfs_fs_info *fs_info,
struct btrfs_path *path,
- struct btrfs_key *key)
+ const struct btrfs_key *key)
{
struct btrfs_root *root = btrfs_block_group_root(fs_info);
int ret;
@@ -2639,8 +2640,8 @@ static int insert_block_group_item(struct btrfs_trans_handle *trans,
}
static int insert_dev_extent(struct btrfs_trans_handle *trans,
- struct btrfs_device *device, u64 chunk_offset,
- u64 start, u64 num_bytes)
+ const struct btrfs_device *device, u64 chunk_offset,
+ u64 start, u64 num_bytes)
{
struct btrfs_fs_info *fs_info = device->fs_info;
struct btrfs_root *root = fs_info->dev_root;
@@ -2816,7 +2817,7 @@ next:
* For extent tree v2 we use the block_group_item->chunk_offset to point at our
* global root id. For v1 it's always set to BTRFS_FIRST_CHUNK_TREE_OBJECTID.
*/
-static u64 calculate_global_root_id(struct btrfs_fs_info *fs_info, u64 offset)
+static u64 calculate_global_root_id(const struct btrfs_fs_info *fs_info, u64 offset)
{
u64 div = SZ_1G;
u64 index;
@@ -3056,9 +3057,11 @@ void btrfs_dec_block_group_ro(struct btrfs_block_group *cache)
if (btrfs_is_zoned(cache->fs_info)) {
/* Migrate zone_unusable bytes back */
cache->zone_unusable =
- (cache->alloc_offset - cache->used) +
+ (cache->alloc_offset - cache->used - cache->pinned -
+ cache->reserved) +
(cache->length - cache->zone_capacity);
- sinfo->bytes_zone_unusable += cache->zone_unusable;
+ btrfs_space_info_update_bytes_zone_unusable(cache->fs_info, sinfo,
+ cache->zone_unusable);
sinfo->bytes_readonly -= cache->zone_unusable;
}
num_bytes = cache->length - cache->reserved -
@@ -3839,8 +3842,8 @@ static void force_metadata_allocation(struct btrfs_fs_info *info)
}
}
-static int should_alloc_chunk(struct btrfs_fs_info *fs_info,
- struct btrfs_space_info *sinfo, int force)
+static int should_alloc_chunk(const struct btrfs_fs_info *fs_info,
+ const struct btrfs_space_info *sinfo, int force)
{
u64 bytes_used = btrfs_space_info_used(sinfo, false);
u64 thresh;
@@ -4215,7 +4218,7 @@ out:
return ret;
}
-static u64 get_profile_num_devs(struct btrfs_fs_info *fs_info, u64 type)
+static u64 get_profile_num_devs(const struct btrfs_fs_info *fs_info, u64 type)
{
u64 num_dev;
@@ -4619,7 +4622,7 @@ int btrfs_use_block_group_size_class(struct btrfs_block_group *bg,
return 0;
}
-bool btrfs_block_group_should_use_size_class(struct btrfs_block_group *bg)
+bool btrfs_block_group_should_use_size_class(const struct btrfs_block_group *bg)
{
if (btrfs_is_zoned(bg->fs_info))
return false;