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authorAmir Goldstein <amir73il@gmail.com>2019-11-24 21:31:45 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2019-12-08 19:10:50 -0500
commiteb31e2f63d85d1bec4f7b136f317e03c03db5503 (patch)
treeae039e9f08313d4cad16ece3fba33987940583d7 /fs/ubifs
parente42617b825f8073569da76dc4510bfa019b1c35a (diff)
downloadlinux-eb31e2f63d85d1bec4f7b136f317e03c03db5503.tar.bz2
utimes: Clamp the timestamps in notify_change()
Push clamping timestamps into notify_change(), so in-kernel callers like nfsd and overlayfs will get similar timestamp set behavior as utimes. AV: get rid of clamping in ->setattr() instances; we don't need to bother with that there, with notify_change() doing normalization in all cases now (it already did for implicit case, since current_time() clamps). Suggested-by: Miklos Szeredi <mszeredi@redhat.com> Fixes: 42e729b9ddbb ("utimes: Clamp the timestamps before update") Cc: stable@vger.kernel.org # v5.4 Cc: Deepa Dinamani <deepa.kernel@gmail.com> Cc: Jeff Layton <jlayton@kernel.org> Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ubifs')
-rw-r--r--fs/ubifs/file.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index cd52585c8f4f..91362079f82a 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1078,18 +1078,12 @@ static void do_attr_changes(struct inode *inode, const struct iattr *attr)
inode->i_uid = attr->ia_uid;
if (attr->ia_valid & ATTR_GID)
inode->i_gid = attr->ia_gid;
- if (attr->ia_valid & ATTR_ATIME) {
- inode->i_atime = timestamp_truncate(attr->ia_atime,
- inode);
- }
- if (attr->ia_valid & ATTR_MTIME) {
- inode->i_mtime = timestamp_truncate(attr->ia_mtime,
- inode);
- }
- if (attr->ia_valid & ATTR_CTIME) {
- inode->i_ctime = timestamp_truncate(attr->ia_ctime,
- inode);
- }
+ if (attr->ia_valid & ATTR_ATIME)
+ inode->i_atime = attr->ia_atime;
+ if (attr->ia_valid & ATTR_MTIME)
+ inode->i_mtime = attr->ia_mtime;
+ if (attr->ia_valid & ATTR_CTIME)
+ inode->i_ctime = attr->ia_ctime;
if (attr->ia_valid & ATTR_MODE) {
umode_t mode = attr->ia_mode;