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xfs: need to see iclog flags in tracing

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Because I cannot tell if the NEED_FLUSH flag is being set correctly
by the log force and CIL push machinery without it.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Dave Chinner 2021-07-27 16:23:50 -07:00 committed by Darrick J. Wong
parent d8f4c2d039
commit b2ae3a9ef9
2 changed files with 14 additions and 4 deletions
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13
fs/xfs/xfs_log_priv.h
View file

@ -59,6 +59,16 @@ enum xlog_iclog_state {
{ XLOG_STATE_DIRTY, "XLOG_STATE_DIRTY" }, \
{ XLOG_STATE_IOERROR, "XLOG_STATE_IOERROR" }
/*
* In core log flags
*/
#define XLOG_ICL_NEED_FLUSH (1 << 0) /* iclog needs REQ_PREFLUSH */
#define XLOG_ICL_NEED_FUA (1 << 1) /* iclog needs REQ_FUA */
#define XLOG_ICL_STRINGS \
{ XLOG_ICL_NEED_FLUSH, "XLOG_ICL_NEED_FLUSH" }, \
{ XLOG_ICL_NEED_FUA, "XLOG_ICL_NEED_FUA" }
/*
* Log ticket flags
@ -143,9 +153,6 @@ enum xlog_iclog_state {
#define XLOG_COVER_OPS 5
#define XLOG_ICL_NEED_FLUSH (1 << 0) /* iclog needs REQ_PREFLUSH */
#define XLOG_ICL_NEED_FUA (1 << 1) /* iclog needs REQ_FUA */
/* Ticket reservation region accounting */
#define XLOG_TIC_LEN_MAX 15

5
fs/xfs/xfs_trace.h
View file

@ -3944,6 +3944,7 @@ DECLARE_EVENT_CLASS(xlog_iclog_class,
__field(uint32_t, state)
__field(int32_t, refcount)
__field(uint32_t, offset)
__field(uint32_t, flags)
__field(unsigned long long, lsn)
__field(unsigned long, caller_ip)
),
@ -3952,15 +3953,17 @@ DECLARE_EVENT_CLASS(xlog_iclog_class,
__entry->state = iclog->ic_state;
__entry->refcount = atomic_read(&iclog->ic_refcnt);
__entry->offset = iclog->ic_offset;
__entry->flags = iclog->ic_flags;
__entry->lsn = be64_to_cpu(iclog->ic_header.h_lsn);
__entry->caller_ip = caller_ip;
),
TP_printk("dev %d:%d state %s refcnt %d offset %u lsn 0x%llx caller %pS",
TP_printk("dev %d:%d state %s refcnt %d offset %u lsn 0x%llx flags %s caller %pS",
MAJOR(__entry->dev), MINOR(__entry->dev),
__print_symbolic(__entry->state, XLOG_STATE_STRINGS),
__entry->refcount,
__entry->offset,
__entry->lsn,
__print_flags(__entry->flags, "|", XLOG_ICL_STRINGS),
(char *)__entry->caller_ip)
);