diff options
| -rw-r--r-- | fs/smb/client/inode.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c index ce88bef4e44c..fbfd5b556815 100644 --- a/fs/smb/client/inode.c +++ b/fs/smb/client/inode.c @@ -3156,12 +3156,11 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs) if (rc != 0) goto out; /* - * The man page of truncate says if the size changed, - * then the st_ctime and st_mtime fields for the file - * are updated. + * Avoid setting timestamps on the server for ftruncate(2) to + * prevent it from disabling automatic timestamp updates as per + * MS-FSA 2.1.4.17. */ - attrs->ia_ctime = attrs->ia_mtime = current_time(inode); - attrs->ia_valid |= ATTR_CTIME | ATTR_MTIME; + attrs->ia_valid &= ~(ATTR_CTIME | ATTR_MTIME); } /* skip mode change if it's just for clearing setuid/setgid */ @@ -3335,12 +3334,11 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) if (rc != 0) goto cifs_setattr_exit; /* - * The man page of truncate says if the size changed, - * then the st_ctime and st_mtime fields for the file - * are updated. + * Avoid setting timestamps on the server for ftruncate(2) to + * prevent it from disabling automatic timestamp updates as per + * MS-FSA 2.1.4.17. */ - attrs->ia_ctime = attrs->ia_mtime = current_time(inode); - attrs->ia_valid |= ATTR_CTIME | ATTR_MTIME; + attrs->ia_valid &= ~(ATTR_CTIME | ATTR_MTIME); } if (attrs->ia_valid & ATTR_UID) |