smb3: fill in statfs fsid and correct namelen

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commit 21ba3845b5 upstream.

Fil in the correct namelen (typically 255 not 4096) in the
statfs response and also fill in a reasonably unique fsid
(in this case taken from the volume id, and the creation time
of the volume).

In the case of the POSIX statfs all fields are now filled in,
and in the case of non-POSIX mounts, all fields are filled
in which can be.

Signed-off-by: Steve French <stfrench@gmail.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
[bwh: Backported to 3.16: Only use cifs_tcon::vol_{serial_number,create_time}
 if CONFIG_CIFS_SMB2 is enabled]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

This commit is contained in:

Steve French 2018-06-24 23:18:52 -05:00 • committed by Ben Hutchings

parent 726e557716

commit af7463de2b

4 changed files with 33 additions and 8 deletions

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20

fs/cifs/cifsfs.c

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2

fs/cifs/smb2ops.c

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8

fs/cifs/smb2pdu.c

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11

fs/cifs/smb2pdu.h

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