On 2021/3/17 7:30, Damien Le Moal wrote:
On 2021/03/16 21:30, Chao Yu wrote:
In zonefs_open_zone(), if opened zone count is larger than
.s_max_open_zones threshold, we missed to recover .i_wr_refcnt,
fix this.
Fixes: b5c00e975779 ("zonefs: open/close zone on file open/close")
Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
---
fs/zonefs/super.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index 0fe76f376dee..be6b99f7de74 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -966,8 +966,7 @@ static int zonefs_open_zone(struct inode *inode)
mutex_lock(&zi->i_truncate_mutex);
- zi->i_wr_refcnt++;
- if (zi->i_wr_refcnt == 1) {
+ if (zi->i_wr_refcnt == 0) {
Nit: if (!zi->i_wr_refcnt) ? I can change that when applying.
More clean, thanks. :)
Thanks,
if (atomic_inc_return(&sbi->s_open_zones) > sbi->s_max_open_zones) {
atomic_dec(&sbi->s_open_zones);
@@ -978,7 +977,6 @@ static int zonefs_open_zone(struct inode *inode)
if (i_size_read(inode) < zi->i_max_size) {
ret = zonefs_zone_mgmt(inode, REQ_OP_ZONE_OPEN);
if (ret) {
- zi->i_wr_refcnt--;
atomic_dec(&sbi->s_open_zones);
goto unlock;
}
@@ -986,6 +984,8 @@ static int zonefs_open_zone(struct inode *inode)
}
}
+ zi->i_wr_refcnt++;
+
unlock:
mutex_unlock(&zi->i_truncate_mutex);
Good catch ! Will apply this and check zonefs test suite as this bug went
undetected.
Thanks.
