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a07d322059
CIFS servers process nlink counts differently for files and directories.
In cifs_rename() if we the request fails on the existing target, we
try to remove it through cifs_unlink() but this is not what we want
to do for directories. As the result the following sequence of commands
mkdir {1,2}; mv -T 1 2; rmdir {1,2}; mkdir {1,2}; echo foo > 2/bar
and XFS test generic/023 fail with -ENOENT error. That's why the second
mkdir reuses the existing inode (target inode of the mv -T command) with
S_DEAD flag.
Fix this by checking whether the target is directory or not and
calling cifs_rmdir() rather than cifs_unlink() for directories.
Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
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|---|---|---|
| .. | ||
| asn1.c | ||
| cache.c | ||
| cifs_debug.c | ||
| cifs_debug.h | ||
| cifs_dfs_ref.c | ||
| cifs_fs_sb.h | ||
| cifs_spnego.c | ||
| cifs_spnego.h | ||
| cifs_unicode.c | ||
| cifs_unicode.h | ||
| cifs_uniupr.h | ||
| cifsacl.c | ||
| cifsacl.h | ||
| cifsencrypt.c | ||
| cifsfs.c | ||
| cifsfs.h | ||
| cifsglob.h | ||
| cifspdu.h | ||
| cifsproto.h | ||
| cifssmb.c | ||
| connect.c | ||
| dir.c | ||
| dns_resolve.c | ||
| dns_resolve.h | ||
| export.c | ||
| file.c | ||
| fscache.c | ||
| fscache.h | ||
| inode.c | ||
| ioctl.c | ||
| Kconfig | ||
| link.c | ||
| Makefile | ||
| misc.c | ||
| netmisc.c | ||
| nterr.c | ||
| nterr.h | ||
| ntlmssp.h | ||
| readdir.c | ||
| rfc1002pdu.h | ||
| sess.c | ||
| smb1ops.c | ||
| smb2file.c | ||
| smb2glob.h | ||
| smb2inode.c | ||
| smb2maperror.c | ||
| smb2misc.c | ||
| smb2ops.c | ||
| smb2pdu.c | ||
| smb2pdu.h | ||
| smb2proto.h | ||
| smb2status.h | ||
| smb2transport.c | ||
| smbencrypt.c | ||
| smberr.h | ||
| smbfsctl.h | ||
| transport.c | ||
| winucase.c | ||
| xattr.c | ||