From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="NlzUeIBy" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BBE50D56 for ; Wed, 13 Dec 2023 05:51:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1702475470; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Q6hid3YRr4Ej4toqLI+tj94dzeJmRJqcEJFRHPpyqoA=; b=NlzUeIBy5/BPLZCVftoyOJz1bjU25wa6B9ykoXnUtI/EFJlbWALKL2qzgHTFmtXTMWfww9 cW4zCnNvhHXWWLsutGHhZbuKeAGUyfZzVZCAYHNmYF+vE+0w9r8Czqu2vVAgF9dtWS5Iu4 3uuhGQALkkUMAAaRzO8CrkU3V9Uo0ls= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-422-iVedxFAsO4SnDiTzLb4Iew-1; Wed, 13 Dec 2023 08:51:09 -0500 X-MC-Unique: iVedxFAsO4SnDiTzLb4Iew-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B316D3C2A1CD; Wed, 13 Dec 2023 13:51:08 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.42.28.2]) by smtp.corp.redhat.com (Postfix) with ESMTP id E88792166B31; Wed, 13 Dec 2023 13:51:07 +0000 (UTC) From: David Howells To: Marc Dionne Cc: David Howells , linux-afs@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 39/40] afs: Fix offline and busy message emission Date: Wed, 13 Dec 2023 13:50:01 +0000 Message-ID: <20231213135003.367397-40-dhowells@redhat.com> In-Reply-To: <20231213135003.367397-1-dhowells@redhat.com> References: <20231213135003.367397-1-dhowells@redhat.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.6 The current code assumes that offline and busy volume states apply to all instances of a volume, not just the one on the server that returned VOFFLINE or VBUSY and will emit a notice to dmesg suggesting that the entire volume is unavailable. Fix that by moving the flags recording this to the afs_server_entry struct that is used to represent a particular instance of a volume on a specific server. The notice is altered to include the server UUID also. Signed-off-by: David Howells cc: Marc Dionne cc: linux-afs@lists.infradead.org --- fs/afs/internal.h | 8 ++++---- fs/afs/rotate.c | 31 +++++++++++++++++++++---------- 2 files changed, 25 insertions(+), 14 deletions(-) diff --git a/fs/afs/internal.h b/fs/afs/internal.h index e3e373c1fecf..a6a4fc417dba 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -612,6 +612,8 @@ struct afs_server_entry { time64_t cb_expires_at; /* Time at which volume-level callback expires */ unsigned long flags; #define AFS_SE_EXCLUDED 0 /* Set if server is to be excluded in rotation */ +#define AFS_SE_VOLUME_OFFLINE 1 /* Set if volume offline notice given */ +#define AFS_SE_VOLUME_BUSY 2 /* Set if volume busy notice given */ }; struct afs_server_list { @@ -645,10 +647,8 @@ struct afs_volume { #define AFS_VOLUME_UPDATING 1 /* - T if an update is in progress */ #define AFS_VOLUME_WAIT 2 /* - T if users must wait for update */ #define AFS_VOLUME_DELETED 3 /* - T if volume appears deleted */ -#define AFS_VOLUME_OFFLINE 4 /* - T if volume offline notice given */ -#define AFS_VOLUME_BUSY 5 /* - T if volume busy notice given */ -#define AFS_VOLUME_MAYBE_NO_IBULK 6 /* - T if some servers don't have InlineBulkStatus */ -#define AFS_VOLUME_RM_TREE 7 /* - Set if volume removed from cell->volumes */ +#define AFS_VOLUME_MAYBE_NO_IBULK 4 /* - T if some servers don't have InlineBulkStatus */ +#define AFS_VOLUME_RM_TREE 5 /* - Set if volume removed from cell->volumes */ #ifdef CONFIG_AFS_FSCACHE struct fscache_volume *cache; /* Caching cookie */ #endif diff --git a/fs/afs/rotate.c b/fs/afs/rotate.c index ef7fe70777be..700a27bc8c25 100644 --- a/fs/afs/rotate.c +++ b/fs/afs/rotate.c @@ -111,7 +111,7 @@ static bool afs_start_fs_iteration(struct afs_operation *op, /* * Post volume busy note. */ -static void afs_busy(struct afs_volume *volume, u32 abort_code) +static void afs_busy(struct afs_operation *op, u32 abort_code) { const char *m; @@ -122,7 +122,8 @@ static void afs_busy(struct afs_volume *volume, u32 abort_code) default: m = "busy"; break; } - pr_notice("kAFS: Volume %llu '%s' is %s\n", volume->vid, volume->name, m); + pr_notice("kAFS: Volume %llu '%s' on server %pU is %s\n", + op->volume->vid, op->volume->name, &op->server->uuid, m); } /* @@ -181,6 +182,10 @@ bool afs_select_fileserver(struct afs_operation *op) /* Evaluate the result of the previous operation, if there was one. */ switch (op->call_error) { case 0: + clear_bit(AFS_SE_VOLUME_OFFLINE, + &op->server_list->servers[op->server_index].flags); + clear_bit(AFS_SE_VOLUME_BUSY, + &op->server_list->servers[op->server_index].flags); op->cumul_error.responded = true; /* We succeeded, but we may need to redo the op from another @@ -314,9 +319,11 @@ bool afs_select_fileserver(struct afs_operation *op) * expected to come back but it might take a long time (could be * days). */ - if (!test_and_set_bit(AFS_VOLUME_OFFLINE, &op->volume->flags)) { - afs_busy(op->volume, abort_code); - clear_bit(AFS_VOLUME_BUSY, &op->volume->flags); + if (!test_and_set_bit(AFS_SE_VOLUME_OFFLINE, + &op->server_list->servers[op->server_index].flags)) { + afs_busy(op, abort_code); + clear_bit(AFS_SE_VOLUME_BUSY, + &op->server_list->servers[op->server_index].flags); } if (op->flags & AFS_OPERATION_NO_VSLEEP) { afs_op_set_error(op, -EADV); @@ -343,9 +350,11 @@ bool afs_select_fileserver(struct afs_operation *op) afs_op_set_error(op, -EBUSY); goto failed; } - if (!test_and_set_bit(AFS_VOLUME_BUSY, &op->volume->flags)) { - afs_busy(op->volume, abort_code); - clear_bit(AFS_VOLUME_OFFLINE, &op->volume->flags); + if (!test_and_set_bit(AFS_SE_VOLUME_BUSY, + &op->server_list->servers[op->server_index].flags)) { + afs_busy(op, abort_code); + clear_bit(AFS_SE_VOLUME_OFFLINE, + &op->server_list->servers[op->server_index].flags); } busy: if (op->flags & AFS_OPERATION_CUR_ONLY) { @@ -426,8 +435,10 @@ bool afs_select_fileserver(struct afs_operation *op) default: afs_op_accumulate_error(op, error, abort_code); failed_but_online: - clear_bit(AFS_VOLUME_OFFLINE, &op->volume->flags); - clear_bit(AFS_VOLUME_BUSY, &op->volume->flags); + clear_bit(AFS_SE_VOLUME_OFFLINE, + &op->server_list->servers[op->server_index].flags); + clear_bit(AFS_SE_VOLUME_BUSY, + &op->server_list->servers[op->server_index].flags); goto failed; }