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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/ntfs
parente42617b825f8073569da76dc4510bfa019b1c35a (diff)
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/ntfs')
-rw-r--r--fs/ntfs/inode.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index 6c7388430ad3..d4359a1df3d5 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -2899,18 +2899,12 @@ int ntfs_setattr(struct dentry *dentry, struct iattr *attr)
ia_valid |= ATTR_MTIME | ATTR_CTIME;
}
}
- if (ia_valid & ATTR_ATIME) {
- vi->i_atime = timestamp_truncate(attr->ia_atime,
- vi);
- }
- if (ia_valid & ATTR_MTIME) {
- vi->i_mtime = timestamp_truncate(attr->ia_mtime,
- vi);
- }
- if (ia_valid & ATTR_CTIME) {
- vi->i_ctime = timestamp_truncate(attr->ia_ctime,
- vi);
- }
+ if (ia_valid & ATTR_ATIME)
+ vi->i_atime = attr->ia_atime;
+ if (ia_valid & ATTR_MTIME)
+ vi->i_mtime = attr->ia_mtime;
+ if (ia_valid & ATTR_CTIME)
+ vi->i_ctime = attr->ia_ctime;
mark_inode_dirty(vi);
out:
return err;