From ea4c07d780a6f7b7be2d984117bd3e0a2b772e3d Mon Sep 17 00:00:00 2001 From: Steve French Date: Wed, 16 Aug 2006 19:44:25 +0000 Subject: [PATCH] [CIFS] Do not send Query All EAs SMB when mount option nouser_xattr specified Pointed out by Bjoern Jacke Signed-off-by: Steve French --- fs/cifs/CHANGES | 3 ++- fs/cifs/README | 2 +- fs/cifs/xattr.c | 6 +++++- 3 files changed, 8 insertions(+), 3 deletions(-) diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index bd37727526e..0feb3bd49cb 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -5,7 +5,8 @@ time out requests if server still responding reasonably fast on requests on other threads. Improve POSIX locking emulation, (lock cancel now works, and unlock of merged range works even to Windows servers now). Fix oops on mount to lanman servers -(win9x, os/2 etc.) when null password. +(win9x, os/2 etc.) when null password. Do not send listxattr +(SMB to query all EAs) if nouser_xattr specified. Version 1.44 ------------ diff --git a/fs/cifs/README b/fs/cifs/README index 7986d0d97ac..5f0e1bd64fe 100644 --- a/fs/cifs/README +++ b/fs/cifs/README @@ -408,7 +408,7 @@ A partial list of the supported mount options follows: user_xattr Allow getting and setting user xattrs as OS/2 EAs (extended attributes) to the server (default) e.g. via setfattr and getfattr utilities. - nouser_xattr Do not allow getfattr/setfattr to get/set xattrs + nouser_xattr Do not allow getfattr/setfattr to get/set/list xattrs mapchars Translate six of the seven reserved characters (not backslash) *?<>|: to the remap range (above 0xF000), which also diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c index 7754d641775..067648b7179 100644 --- a/fs/cifs/xattr.c +++ b/fs/cifs/xattr.c @@ -330,11 +330,15 @@ ssize_t cifs_listxattr(struct dentry * direntry, char * data, size_t buf_size) sb = direntry->d_inode->i_sb; if(sb == NULL) return -EIO; - xid = GetXid(); cifs_sb = CIFS_SB(sb); pTcon = cifs_sb->tcon; + if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR) + return -EOPNOTSUPP; + + xid = GetXid(); + full_path = build_path_from_dentry(direntry); if(full_path == NULL) { FreeXid(xid); -- 2.20.1