From: Chi Zhiling Since exfat_ent_get supports cache buffer head, we can use this option to reduce sb_bread calls when fetching consecutive entries. Signed-off-by: Chi Zhiling Reviewed-by: Yuezhang Mo --- fs/exfat/cache.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/exfat/cache.c b/fs/exfat/cache.c index b806e7f5b00f..025b39b7a9ac 100644 --- a/fs/exfat/cache.c +++ b/fs/exfat/cache.c @@ -238,6 +238,7 @@ int exfat_get_cluster(struct inode *inode, unsigned int cluster, { struct super_block *sb = inode->i_sb; struct exfat_inode_info *ei = EXFAT_I(inode); + struct buffer_head *bh = NULL; struct exfat_cache_id cid; unsigned int content, fclus; @@ -265,7 +266,7 @@ int exfat_get_cluster(struct inode *inode, unsigned int cluster, return 0; while (fclus < cluster) { - if (exfat_ent_get(sb, *dclus, &content, NULL)) + if (exfat_ent_get(sb, *dclus, &content, &bh)) return -EIO; *last_dclus = *dclus; @@ -279,6 +280,7 @@ int exfat_get_cluster(struct inode *inode, unsigned int cluster, cache_init(&cid, fclus, *dclus); } + brelse(bh); exfat_cache_add(inode, &cid); return 0; } -- 2.43.0