The expired durable opens should not be reclaimed by client.
This patch add ->durable_scavenger_timeout to fp and check it in
ksmbd_lookup_durable_fd().
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
---
fs/smb/server/vfs_cache.c | 9 ++++++++-
fs/smb/server/vfs_cache.h | 1 +
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/fs/smb/server/vfs_cache.c b/fs/smb/server/vfs_cache.c
index 6cb599cd287e..a6804545db28 100644
--- a/fs/smb/server/vfs_cache.c
+++ b/fs/smb/server/vfs_cache.c
@@ -476,7 +476,10 @@ struct ksmbd_file *ksmbd_lookup_durable_fd(unsigned long long id)
struct ksmbd_file *fp;
fp = __ksmbd_lookup_fd(&global_ft, id);
- if (fp && fp->conn) {
+ if (fp && (fp->conn ||
+ (fp->durable_scavenger_timeout &&
+ (fp->durable_scavenger_timeout <
+ jiffies_to_msecs(jiffies))))) {
ksmbd_put_durable_fd(fp);
fp = NULL;
}
@@ -717,6 +720,10 @@ static bool session_fd_check(struct ksmbd_tree_connect *tcon,
fp->tcon = NULL;
fp->volatile_id = KSMBD_NO_FID;
+ if (fp->durable_timeout)
+ fp->durable_scavenger_timeout =
+ jiffies_to_msecs(jiffies) + fp->durable_timeout;
+
return true;
}
diff --git a/fs/smb/server/vfs_cache.h b/fs/smb/server/vfs_cache.h
index 5a225e7055f1..f2ab1514e81a 100644
--- a/fs/smb/server/vfs_cache.h
+++ b/fs/smb/server/vfs_cache.h
@@ -101,6 +101,7 @@ struct ksmbd_file {
struct list_head lock_list;
int durable_timeout;
+ int durable_scavenger_timeout;
/* if ls is happening on directory, below is valid*/
struct ksmbd_readdir_data readdir_data;
--
2.25.1
