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[CIFS] Do not send Query All EAs SMB when mount option nouser_xattr 

specified

Pointed out by Bjoern Jacke

Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2006-08-16 19:44:25 +00:00
parent 5ddaa683a5
commit ea4c07d780
3 changed files with 8 additions and 3 deletions
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3
fs/cifs/CHANGES
View File

@ -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
------------

2
fs/cifs/README
View File

@ -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

6
fs/cifs/xattr.c
View File

@ -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);