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smb3: default to minimum of two channels when multichannel specified

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When "multichannel" is specified on mount, make sure to default to
at least two channels.

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
This commit is contained in:
Steve French 2020-06-02 23:17:16 -05:00
parent 5f68ea4aa9
commit 1ee0e6d47d
1 changed files with 4 additions and 0 deletions
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4
fs/cifs/connect.c
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@ -1964,9 +1964,13 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
break; break;
case Opt_multichannel: case Opt_multichannel:
vol->multichannel = true; vol->multichannel = true;
/* if number of channels not specified, default to 2 */
if (vol->max_channels < 2)
vol->max_channels = 2;
break; break;
case Opt_nomultichannel: case Opt_nomultichannel:
vol->multichannel = false; vol->multichannel = false;
vol->max_channels = 1;
break; break;
case Opt_compress: case Opt_compress:
vol->compression = UNKNOWN_TYPE; vol->compression = UNKNOWN_TYPE;