[PATCH 09/21] ext4: remove unused return value of ext4_mb_try_best_found and ext4_mb_free_metadata

From: Kemeng Shi
Date: Thu Feb 09 2023 - 06:57:39 EST


Return value static function ext4_mb_try_best_found and
ext4_mb_free_metadata is not used. Just remove unused return value.

Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
---
fs/ext4/mballoc.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 17ac98c501ed..ad9e3b7d3198 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2124,7 +2124,7 @@ static void ext4_mb_measure_extent(struct ext4_allocation_context *ac,
}

static noinline_for_stack
-int ext4_mb_try_best_found(struct ext4_allocation_context *ac,
+void ext4_mb_try_best_found(struct ext4_allocation_context *ac,
struct ext4_buddy *e4b)
{
struct ext4_free_extent ex = ac->ac_b_ex;
@@ -2135,7 +2135,7 @@ int ext4_mb_try_best_found(struct ext4_allocation_context *ac,
BUG_ON(ex.fe_len <= 0);
err = ext4_mb_load_buddy(ac->ac_sb, group, e4b);
if (err)
- return err;
+ return;

ext4_lock_group(ac->ac_sb, group);
max = mb_find_extent(e4b, ex.fe_start, ex.fe_len, &ex);
@@ -2147,8 +2147,6 @@ int ext4_mb_try_best_found(struct ext4_allocation_context *ac,

ext4_unlock_group(ac->ac_sb, group);
ext4_mb_unload_buddy(e4b);
-
- return 0;
}

static noinline_for_stack
@@ -5699,7 +5697,7 @@ static void ext4_try_merge_freed_extent(struct ext4_sb_info *sbi,
kmem_cache_free(ext4_free_data_cachep, entry);
}

-static noinline_for_stack int
+static noinline_for_stack void
ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
struct ext4_free_data *new_entry)
{
@@ -5742,7 +5740,7 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
EXT4_C2B(sbi, cluster),
"Block already on to-be-freed list");
kmem_cache_free(ext4_free_data_cachep, new_entry);
- return 0;
+ return;
}
}

@@ -5768,7 +5766,6 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
list_add_tail(&new_entry->efd_list, &sbi->s_freed_data_list);
sbi->s_mb_free_pending += clusters;
spin_unlock(&sbi->s_md_lock);
- return 0;
}

/*
--
2.30.0