[RFC 02/11] ext4: Remove unused extern variables declaration

Ojaswin Mujoo
2023-01-27T12:38:03Z

ext4_mb_stats & ext4_mb_max_to_scan are never used. We use
sbi->s_mb_stats and sbi->s_mb_max_to_scan instead.
Hence kill these extern declarations.

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
---
fs/ext4/ext4.h | 2 --
fs/ext4/mballoc.h | 2 +-
2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 140e1eb300d1..b8b00457da8d 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2903,8 +2903,6 @@ int ext4_fc_record_regions(struct super_block *sb, int ino,
/* mballoc.c */
extern const struct seq_operations ext4_mb_seq_groups_ops;
extern const struct seq_operations ext4_mb_seq_structs_summary_ops;
-extern long ext4_mb_stats;
-extern long ext4_mb_max_to_scan;
extern int ext4_seq_mb_stats_show(struct seq_file *seq, void *offset);
extern int ext4_mb_init(struct super_block *);
extern int ext4_mb_release(struct super_block *);
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index dcda2a943cee..165a17893c81 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -49,7 +49,7 @@
#define MB_DEFAULT_MIN_TO_SCAN 10

/*
- * with 'ext4_mb_stats' allocator will collect stats that will be
+ * with 's_mb_stats' allocator will collect stats that will be
* shown at umount. The collecting costs though!
*/
#define MB_DEFAULT_STATS 0
--
2.31.1