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ext4: remove unnecessary s_mb_last_start

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Since stream allocation does not use ac->ac_f_ex.fe_start, it is set to -1
by default, so the no longer needed sbi->s_mb_last_start is removed.

Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://patch.msgid.link/20250714130327.1830534-4-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Baokun Li
2025-07-25 09:14:16 -04:00
committed by Theodore Ts'o
parent 35bfd4b44e
commit f0374d8071
2 changed files with 0 additions and 2 deletions
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fs/ext4/ext4.h
-1
View File
@@ -1631,7 +1631,6 @@ struct ext4_sb_info {
unsigned int s_max_dir_size_kb;
/* where last allocation was done - for stream allocation */
unsigned long s_mb_last_group;
unsigned long s_mb_last_start;
unsigned int s_mb_prefetch;
unsigned int s_mb_prefetch_limit;
unsigned int s_mb_best_avail_max_trim_order;
fs/ext4/mballoc.c
-1
View File
@@ -2171,7 +2171,6 @@ static void ext4_mb_use_best_found(struct ext4_allocation_context *ac,
if (ac->ac_flags & EXT4_MB_STREAM_ALLOC) {
spin_lock(&sbi->s_md_lock);
sbi->s_mb_last_group = ac->ac_f_ex.fe_group;
sbi->s_mb_last_start = ac->ac_f_ex.fe_start;
spin_unlock(&sbi->s_md_lock);
}
/*