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cifs: cifs_pick_channel should try selecting active channels

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cifs_pick_channel today just selects a channel based
on the policy of least loaded channel. However, it
does not take into account if the channel needs
reconnect. As a result, we can have failures in send
that can be completely avoided.

This change doesn't make a channel a candidate for
this selection if it needs reconnect.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Shyam Prasad N 2024-01-21 03:32:43 +00:00 committed by Steve French
parent 966cc171c8
commit fc43a8ac39
1 changed files with 3 additions and 0 deletions
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3
fs/smb/client/transport.c
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@ -1026,6 +1026,9 @@ struct TCP_Server_Info *cifs_pick_channel(struct cifs_ses *ses)
if (!server || server->terminate) if (!server || server->terminate)
continue; continue;
if (CIFS_CHAN_NEEDS_RECONNECT(ses, i))
continue;
/* /*
* strictly speaking, we should pick up req_lock to read * strictly speaking, we should pick up req_lock to read
* server->in_flight. But it shouldn't matter much here if we * server->in_flight. But it shouldn't matter much here if we