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cifs: when ATTR_READONLY is set, only clear write bits on non-directories

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cifs: when ATTR_READONLY is set, only clear write bits on non-directories

On windows servers, ATTR_READONLY apparently either has no meaning or
serves as some sort of queue to certain applications for unrelated
behavior. This MS kbase article has details:

http://support.microsoft.com/kb/326549/

Don't clear the write bits directory mode when ATTR_READONLY is set.

Reported-by: pouchat@peewiki.net
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2009-07-09 01:46:44 -04:00 committed by Steve French
parent aeaaf253c4
commit d0c280d26d
1 changed files with 4 additions and 4 deletions
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8
fs/cifs/inode.c
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@ -419,11 +419,11 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info,
} else {
fattr->cf_mode = S_IFREG | cifs_sb->mnt_file_mode;
fattr->cf_dtype = DT_REG;
}
/* clear write bits if ATTR_READONLY is set */
if (fattr->cf_cifsattrs & ATTR_READONLY)
fattr->cf_mode &= ~(S_IWUGO);
/* clear write bits if ATTR_READONLY is set */
if (fattr->cf_cifsattrs & ATTR_READONLY)
fattr->cf_mode &= ~(S_IWUGO);
}
fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks);