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cifs: disable serverino if server doesn't support it 

A recent regression when dealing with older servers. This bug was
introduced when we made serverino the default...

When the server can't provide inode numbers, disable it for the mount.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2009-07-22 15:08:58 -04:00 committed by Steve French
parent aea1f7964a
commit ce6e7fcd43
1 changed files with 4 additions and 1 deletions
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5
fs/cifs/inode.c
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@ -513,9 +513,12 @@ int cifs_get_inode_info(struct inode **pinode,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc1) {
/* BB EOPNOSUPP disable SERVER_INUM? */
cFYI(1, ("GetSrvInodeNum rc %d", rc1));
fattr.cf_uniqueid = iunique(sb, ROOT_I);
/* disable serverino if call not supported */
if (rc1 == -EINVAL)
cifs_sb->mnt_cifs_flags &=
~CIFS_MOUNT_SERVER_INUM;
}
} else {
fattr.cf_uniqueid = iunique(sb, ROOT_I);