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add iscsi_force_reconnect()

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If a connection attempt is hung, then iscsi_reconnect() won't do anything. This
makes sense if we'd just re-try to connect to the same target, but if (for
example) login redirect might point us to a different, healthy, target, it
should be possible to restart the full connection process on request.

Signed-off-by: John Levon <john.levon@nutanix.com>
This commit is contained in:
John Levon
2022-01-17 11:21:56 +00:00
committed by Bart Van Assche
parent 314aa26576
commit 30dd7c6429
5 changed files with 60 additions and 3 deletions
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14
lib/connect.c
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@@ -378,7 +378,7 @@ void iscsi_reconnect_cb(struct iscsi_context *iscsi, int status,
iscsi->pending_reconnect = 0;
}
int iscsi_reconnect(struct iscsi_context *iscsi)
static int reconnect(struct iscsi_context *iscsi, int force)
{
struct iscsi_context *tmp_iscsi;
@@ -397,7 +397,7 @@ int iscsi_reconnect(struct iscsi_context *iscsi)
return 0;
}
if (iscsi->old_iscsi && !iscsi->pending_reconnect) {
if (iscsi->old_iscsi && !iscsi->pending_reconnect && !force) {
return 0;
}
@@ -477,3 +477,13 @@ int iscsi_reconnect(struct iscsi_context *iscsi)
return iscsi_full_connect_async(iscsi, iscsi->portal,
iscsi->lun, iscsi_reconnect_cb, NULL);
}
int iscsi_reconnect(struct iscsi_context *iscsi)
{
return reconnect(iscsi, 0);
}
int iscsi_force_reconnect(struct iscsi_context *iscsi)
{
return reconnect(iscsi, 1);
}