iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cifs: release leases for deferred close handles when freezing

Browse Source 
commit d39fc592ef8ae9a89c5e85c8d9f760937a57d5ba upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Steve French 2023-05-10 17:42:21 -05:00 committed by Greg Kroah-Hartman
parent f43b5573cd
commit 5af78b437c
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

@ -730,6 +730,20 @@ 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)
{
@ -761,6 +775,7 @@ 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