[[PATCH v2] [CIFS] Allow setting per-file compression via SMB2 and SMB3
David Disseldorp
ddiss at suse.de
Tue Oct 8 16:25:45 MDT 2013
Hi Steve,
On Tue, 8 Oct 2013 15:41:17 -0500
Steve French <smfrench at gmail.com> wrote:
> + /* Currently only flag we can set is compressed flag */
> + if ((ExtAttrBits & FS_COMPR_FL) == 0)
> + break;
> +
> + /* Try to set compress flag */
> + if (tcon->ses->server->ops->set_compression) {
> + rc = tcon->ses->server->ops->set_compression(
> + xid, tcon, pSMBFile);
> + cifs_dbg(FYI, "set compress flag rc %d\n", rc);
> }
Is the FileFsAttributeInformation known at this stage? If so, you may
wish to check for the FILE_FILE_COMPRESSION capability, and avoid the
request dispatch if absent.
IIRC, Explorer hides the compression check-checkbox if the capability
is missing.
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