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exfat: improve exfat_find_last_cluster

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Since exfat_ent_get support cache buffer head, let's apply it to
exfat_find_last_cluster.

Signed-off-by: Chi Zhiling <chizhiling@kylinos.cn>
Reviewed-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
This commit is contained in:
Chi Zhiling
2026-01-14 20:12:40 +08:00
committed by Namjae Jeon
parent 06805f4c57
commit 5e205c484b
1 changed files with 3 additions and 1 deletions
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4
fs/exfat/fatent.c
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@@ -296,6 +296,7 @@ int exfat_free_cluster(struct inode *inode, struct exfat_chain *p_chain)
int exfat_find_last_cluster(struct super_block *sb, struct exfat_chain *p_chain,
unsigned int *ret_clu)
{
struct buffer_head *bh = NULL;
unsigned int clu, next;
unsigned int count = 0;
@@ -308,10 +309,11 @@ int exfat_find_last_cluster(struct super_block *sb, struct exfat_chain *p_chain,
do {
count++;
clu = next;
if (exfat_ent_get(sb, clu, &next, NULL))
if (exfat_ent_get(sb, clu, &next, &bh))
return -EIO;
} while (next != EXFAT_EOF_CLUSTER && count <= p_chain->size);
brelse(bh);
if (p_chain->size != count) {
exfat_fs_error(sb,
"bogus directory size (clus : ondisk(%d) != counted(%d))",