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VFS: Handle lazytime in do_mount()

Message ID 20170919101819.GA233@x4 (mailing list archive)
State New, archived
Headers show

Commit Message

Markus Trippelsdorf Sept. 19, 2017, 10:18 a.m. UTC 
The lazytime option didn't get passed on when using current util-linux,
which passes MS_LAZYTIME in the mountflags directly.

Fix the issue by handling the option in do_mount().

Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
---
 fs/namespace.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/fs/namespace.c b/fs/namespace.c
index 54059b142d6b..b633838b8f02 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2823,7 +2823,8 @@  long do_mount(const char *dev_name, const char __user *dir_name,
 			    SB_MANDLOCK |
 			    SB_DIRSYNC |
 			    SB_SILENT |
-			    SB_POSIXACL);
+			    SB_POSIXACL |
+			    MS_LAZYTIME);
 
 	if (flags & MS_REMOUNT)
 		retval = do_remount(&path, flags, sb_flags, mnt_flags,