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| author | Hyeongseok Kim <hyeongseok@gmail.com> | 2021-03-02 06:05:20 +0100 |
|---|---|---|
| committer | Namjae Jeon <namjae.jeon@samsung.com> | 2021-04-27 13:45:06 +0200 |
| commit | 5c2d728507299f84631ab8020d6f0f98f2cb8fc2 (patch) | |
| tree | baf8a7fed6645523987a98b3e66ac693227a4d4b /fs/exfat/super.c | |
| parent | exfat: fix erroneous discard when clear cluster bit (diff) | |
| download | linux-5c2d728507299f84631ab8020d6f0f98f2cb8fc2.tar.xz linux-5c2d728507299f84631ab8020d6f0f98f2cb8fc2.zip | |
exfat: introduce bitmap_lock for cluster bitmap access
s_lock which is for protecting concurrent access of file operations is
too huge for cluster bitmap protection, so introduce a new bitmap_lock
to narrow the lock range if only need to access cluster bitmap.
Signed-off-by: Hyeongseok Kim <hyeongseok@gmail.com>
Acked-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/exfat/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/exfat/super.c b/fs/exfat/super.c index c6d8d2e53486..d38d17a77e76 100644 --- a/fs/exfat/super.c +++ b/fs/exfat/super.c @@ -752,6 +752,7 @@ static int exfat_init_fs_context(struct fs_context *fc) return -ENOMEM; mutex_init(&sbi->s_lock); + mutex_init(&sbi->bitmap_lock); ratelimit_state_init(&sbi->ratelimit, DEFAULT_RATELIMIT_INTERVAL, DEFAULT_RATELIMIT_BURST); |