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ext4: Remove unused extern variables declaration

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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>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/928b3142062172533b6d1b5a94de94700590fef3.1685449706.git.ojaswin@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Ritesh Harjani 2023-05-30 18:03:41 +05:30 committed by Theodore Ts'o
parent 569f196f1e
commit 5730cce353
2 changed files with 1 additions and 3 deletions
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2
fs/ext4/ext4.h
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@ -2837,8 +2837,6 @@ 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 *);

2
fs/ext4/mballoc.h
View File

@ -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