UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

cifs: release leases for deferred close handles when freezing 

We should not be caching closed files when freeze is invoked on an fs
(so we can release resources more gracefully).

Fixes xfstests generic/068 generic/390 generic/491

Reviewed-by: David Howells <dhowells@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Steve French 2023-05-10 17:42:21 -05:00
parent 716a3cf317
commit d39fc592ef
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
fs/cifs/cifsfs.c
View File

@ -760,6 +760,20 @@ static void cifs_umount_begin(struct super_block *sb)
return;
}
static int cifs_freeze(struct super_block *sb)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
struct cifs_tcon *tcon;
if (cifs_sb == NULL)
return 0;
tcon = cifs_sb_master_tcon(cifs_sb);
cifs_close_all_deferred_files(tcon);
return 0;
}
#ifdef CONFIG_CIFS_STATS2
static int cifs_show_stats(struct seq_file *s, struct dentry *root)
{
@ -798,6 +812,7 @@ static const struct super_operations cifs_super_ops = {
as opens */
.show_options = cifs_show_options,
.umount_begin = cifs_umount_begin,
.freeze_fs = cifs_freeze,
#ifdef CONFIG_CIFS_STATS2
.show_stats = cifs_show_stats,
#endif