The patch titled
Subject: aoe: describe the behavior of the "err" character device
has been added to the -mm tree. Its filename is
aoe-describe-the-behavior-of-the-err-character-device.patch
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------------------------------------------------------
From: Ed Cashin <ecashin@xxxxxxxxxx>
Subject: aoe: describe the behavior of the "err" character device
Signed-off-by: Ed Cashin <ecashin@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/aoe/aoechr.c | 5 +++++
1 file changed, 5 insertions(+)
diff -puN drivers/block/aoe/aoechr.c~aoe-describe-the-behavior-of-the-err-character-device drivers/block/aoe/aoechr.c
--- a/drivers/block/aoe/aoechr.c~aoe-describe-the-behavior-of-the-err-character-device
+++ a/drivers/block/aoe/aoechr.c
@@ -39,6 +39,11 @@ struct ErrMsg {
};
static DEFINE_MUTEX(aoechr_mutex);
+
+/* A ring buffer of error messages, to be read through
+ * "/dev/etherd/err". When no messages are present,
+ * readers will block waiting for messages to appear.
+ */
static struct ErrMsg emsgs[NMSG];
static int emsgs_head_idx, emsgs_tail_idx;
static struct completion emsgs_comp;
_
Patches currently in -mm which might be from ecashin@xxxxxxxxxx are
linux-compilerh-add-__must_hold-macro-for-functions-called-with-a-lock-held.patch
aoe-describe-the-behavior-of-the-err-character-device.patch
aoe-print-warning-regarding-a-common-reason-for-dropped-transmits.patch
aoe-update-cap-on-outstanding-commands-based-on-config-query-response.patch
aoe-support-the-forgetting-flushing-of-a-user-specified-aoe-target.patch
aoe-support-larger-i-o-requests-via-aoe_maxsectors-module-param.patch
aoe-payload-sysfs-file-exports-per-aoe-command-data-transfer-size.patch
aoe-cleanup-remove-unused-ata_scnt-function.patch
aoe-whitespace-cleanup.patch
aoe-update-driver-internal-version-number-to-60.patch
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