Commit f0374d80 authored by Baokun Li's avatar Baokun Li Committed by Theodore Ts'o
Browse files

ext4: remove unnecessary s_mb_last_start 



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: default avatarBaokun Li <libaokun1@huawei.com>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Reviewed-by: default avatarOjaswin Mujoo <ojaswin@linux.ibm.com>
Reviewed-by: default avatarZhang Yi <yi.zhang@huawei.com>
Link: https://patch.msgid.link/20250714130327.1830534-4-libaokun1@huawei.com


Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 35bfd4b4

fs/ext4/ext4.h

+0 −1
Original line number Diff line number Diff line
@@ -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

+0 −1
Original line number Diff line number Diff line
@@ -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);

	}

	/*