There are no RCU critical sections for accessing any information in the
sbi, so drop the call_rcu indirection for freeing the sbi.
Signed-off-by: Christoph Hellwig <[email protected]>
---
fs/exfat/exfat_fs.h | 2 --
fs/exfat/super.c | 15 ++++-----------
2 files changed, 4 insertions(+), 13 deletions(-)
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 729ada9e26e82e..f55498e5c23d46 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -273,8 +273,6 @@ struct exfat_sb_info {
spinlock_t inode_hash_lock;
struct hlist_head inode_hashtable[EXFAT_HASH_SIZE];
-
- struct rcu_head rcu;
};
#define EXFAT_CACHE_VALID 0
diff --git a/fs/exfat/super.c b/fs/exfat/super.c
index 8c32460e031e80..3c6aec96d0dc85 100644
--- a/fs/exfat/super.c
+++ b/fs/exfat/super.c
@@ -31,16 +31,6 @@ static void exfat_free_iocharset(struct exfat_sb_info *sbi)
kfree(sbi->options.iocharset);
}
-static void exfat_delayed_free(struct rcu_head *p)
-{
- struct exfat_sb_info *sbi = container_of(p, struct exfat_sb_info, rcu);
-
- unload_nls(sbi->nls_io);
- exfat_free_iocharset(sbi);
- exfat_free_upcase_table(sbi);
- kfree(sbi);
-}
-
static void exfat_put_super(struct super_block *sb)
{
struct exfat_sb_info *sbi = EXFAT_SB(sb);
@@ -50,7 +40,10 @@ static void exfat_put_super(struct super_block *sb)
brelse(sbi->boot_bh);
mutex_unlock(&sbi->s_lock);
- call_rcu(&sbi->rcu, exfat_delayed_free);
+ unload_nls(sbi->nls_io);
+ exfat_free_iocharset(sbi);
+ exfat_free_upcase_table(sbi);
+ kfree(sbi);
}
static int exfat_sync_fs(struct super_block *sb, int wait)
--
2.39.2
2023-08-10 7:05 GMT+09:00, Christoph Hellwig <[email protected]>:
> There are no RCU critical sections for accessing any information in the
> sbi, so drop the call_rcu indirection for freeing the sbi.
>
> Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Namjae Jeon <[email protected]>
Thanks!