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Subject[PATCH] ceph: show max caps in debugfs caps file
Date
        before
------
total 1026
avail 1024
used 2
reserved 0
min 1024

after
------
total 1026
avail 1024
used 2
max 2048
reserved 0
min 1024

Signed-off-by: Yanhu Cao <gmayyyha@gmail.com>
---
fs/ceph/caps.c | 6 ++++--
fs/ceph/debugfs.c | 7 ++++---
fs/ceph/super.h | 2 +-
3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 5f3aa4d607de..e2c759a2ef35 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -404,8 +404,8 @@ void ceph_put_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap)
}

void ceph_reservation_status(struct ceph_fs_client *fsc,
- int *total, int *avail, int *used, int *reserved,
- int *min)
+ int *total, int *avail, int *used, int *max,
+ int *reserved, int *min)
{
struct ceph_mds_client *mdsc = fsc->mdsc;

@@ -417,6 +417,8 @@ void ceph_reservation_status(struct ceph_fs_client *fsc,
*avail = mdsc->caps_avail_count;
if (used)
*used = mdsc->caps_use_count;
+ if (max)
+ *max = mdsc->caps_use_max;
if (reserved)
*reserved = mdsc->caps_reserve_count;
if (min)
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index 481ac97b4d25..942004376588 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -138,16 +138,17 @@ static int caps_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
struct ceph_mds_client *mdsc = fsc->mdsc;
- int total, avail, used, reserved, min, i;
+ int total, avail, used, max, reserved, min, i;
struct cap_wait *cw;

- ceph_reservation_status(fsc, &total, &avail, &used, &reserved, &min);
+ ceph_reservation_status(fsc, &total, &avail, &used, &max,
+ &reserved, &min);
seq_printf(s, "total\t\t%d\n"
"avail\t\t%d\n"
"used\t\t%d\n"
"reserved\t%d\n"
"min\t\t%d\n\n",
- total, avail, used, reserved, min);
+ total, avail, used, max, reserved, min);
seq_printf(s, "ino issued implemented\n");
seq_printf(s, "-----------------------------------------------\n");

diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 60aac3aee055..79aa42d9336c 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -700,7 +700,7 @@ extern void ceph_unreserve_caps(struct ceph_mds_client *mdsc,
struct ceph_cap_reservation *ctx);
extern void ceph_reservation_status(struct ceph_fs_client *client,
int *total, int *avail, int *used,
- int *reserved, int *min);
+ int *max, int *reserved, int *min);



--
2.24.2 (Apple Git-127)
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