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An important follow-up for replica reads support that went into -rc1

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and two target_copy() fixups.
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Merge tag 'ceph-for-5.8-rc2' of git://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "An important follow-up for replica reads support that went into -rc1
  and two target_copy() fixups"

* tag 'ceph-for-5.8-rc2' of git://github.com/ceph/ceph-client:
  libceph: don't omit used_replica in target_copy()
  libceph: don't omit recovery_deletes in target_copy()
  libceph: move away from global osd_req_flags
This commit is contained in:
Linus Torvalds 2020-06-19 12:25:04 -07:00
commit 672f9255a7
4 changed files with 15 additions and 16 deletions
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4
drivers/block/rbd.c
View File

@ -1451,8 +1451,10 @@ static void rbd_osd_req_callback(struct ceph_osd_request *osd_req)
static void rbd_osd_format_read(struct ceph_osd_request *osd_req)
{
struct rbd_obj_request *obj_request = osd_req->r_priv;
struct rbd_device *rbd_dev = obj_request->img_request->rbd_dev;
struct ceph_options *opt = rbd_dev->rbd_client->client->options;
osd_req->r_flags = CEPH_OSD_FLAG_READ;
osd_req->r_flags = CEPH_OSD_FLAG_READ | opt->read_from_replica;
osd_req->r_snapid = obj_request->img_request->snap_id;
}

4
include/linux/ceph/libceph.h
View File

@ -52,8 +52,7 @@ struct ceph_options {
unsigned long osd_idle_ttl; /* jiffies */
unsigned long osd_keepalive_timeout; /* jiffies */
unsigned long osd_request_timeout; /* jiffies */
u32 osd_req_flags; /* CEPH_OSD_FLAG_*, applied to each OSD request */
u32 read_from_replica; /* CEPH_OSD_FLAG_BALANCE/LOCALIZE_READS */
/*
* any type that can't be simply compared or doesn't need
@ -76,6 +75,7 @@ struct ceph_options {
#define CEPH_OSD_KEEPALIVE_DEFAULT msecs_to_jiffies(5 * 1000)
#define CEPH_OSD_IDLE_TTL_DEFAULT msecs_to_jiffies(60 * 1000)
#define CEPH_OSD_REQUEST_TIMEOUT_DEFAULT 0 /* no timeout */
#define CEPH_READ_FROM_REPLICA_DEFAULT 0 /* read from primary */
#define CEPH_MONC_HUNT_INTERVAL msecs_to_jiffies(3 * 1000)
#define CEPH_MONC_PING_INTERVAL msecs_to_jiffies(10 * 1000)

14
net/ceph/ceph_common.c
View File

@ -332,6 +332,7 @@ struct ceph_options *ceph_alloc_options(void)
opt->mount_timeout = CEPH_MOUNT_TIMEOUT_DEFAULT;
opt->osd_idle_ttl = CEPH_OSD_IDLE_TTL_DEFAULT;
opt->osd_request_timeout = CEPH_OSD_REQUEST_TIMEOUT_DEFAULT;
opt->read_from_replica = CEPH_READ_FROM_REPLICA_DEFAULT;
return opt;
}
EXPORT_SYMBOL(ceph_alloc_options);
@ -490,16 +491,13 @@ int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt,
case Opt_read_from_replica:
switch (result.uint_32) {
case Opt_read_from_replica_no:
opt->osd_req_flags &= ~(CEPH_OSD_FLAG_BALANCE_READS |
CEPH_OSD_FLAG_LOCALIZE_READS);
opt->read_from_replica = 0;
break;
case Opt_read_from_replica_balance:
opt->osd_req_flags |= CEPH_OSD_FLAG_BALANCE_READS;
opt->osd_req_flags &= ~CEPH_OSD_FLAG_LOCALIZE_READS;
opt->read_from_replica = CEPH_OSD_FLAG_BALANCE_READS;
break;
case Opt_read_from_replica_localize:
opt->osd_req_flags |= CEPH_OSD_FLAG_LOCALIZE_READS;
opt->osd_req_flags &= ~CEPH_OSD_FLAG_BALANCE_READS;
opt->read_from_replica = CEPH_OSD_FLAG_LOCALIZE_READS;
break;
default:
BUG();
@ -613,9 +611,9 @@ int ceph_print_client_options(struct seq_file *m, struct ceph_client *client,
}
seq_putc(m, ',');
}
if (opt->osd_req_flags & CEPH_OSD_FLAG_BALANCE_READS) {
if (opt->read_from_replica == CEPH_OSD_FLAG_BALANCE_READS) {
seq_puts(m, "read_from_replica=balance,");
} else if (opt->osd_req_flags & CEPH_OSD_FLAG_LOCALIZE_READS) {
} else if (opt->read_from_replica == CEPH_OSD_FLAG_LOCALIZE_READS) {
seq_puts(m, "read_from_replica=localize,");
}

9
net/ceph/osd_client.c
View File

@ -445,8 +445,10 @@ static void target_copy(struct ceph_osd_request_target *dest,
dest->size = src->size;
dest->min_size = src->min_size;
dest->sort_bitwise = src->sort_bitwise;
dest->recovery_deletes = src->recovery_deletes;
dest->flags = src->flags;
dest->used_replica = src->used_replica;
dest->paused = src->paused;
dest->epoch = src->epoch;
@ -1117,10 +1119,10 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
truncate_size, truncate_seq);
}
req->r_flags = flags;
req->r_base_oloc.pool = layout->pool_id;
req->r_base_oloc.pool_ns = ceph_try_get_string(layout->pool_ns);
ceph_oid_printf(&req->r_base_oid, "%llx.%08llx", vino.ino, objnum);
req->r_flags = flags | osdc->client->options->read_from_replica;
req->r_snapid = vino.snap;
if (flags & CEPH_OSD_FLAG_WRITE)
@ -2431,14 +2433,11 @@ static void __submit_request(struct ceph_osd_request *req, bool wrlocked)
static void account_request(struct ceph_osd_request *req)
{
struct ceph_osd_client *osdc = req->r_osdc;
WARN_ON(req->r_flags & (CEPH_OSD_FLAG_ACK | CEPH_OSD_FLAG_ONDISK));
WARN_ON(!(req->r_flags & (CEPH_OSD_FLAG_READ | CEPH_OSD_FLAG_WRITE)));
req->r_flags |= CEPH_OSD_FLAG_ONDISK;
req->r_flags |= osdc->client->options->osd_req_flags;
atomic_inc(&osdc->num_requests);
atomic_inc(&req->r_osdc->num_requests);
req->r_start_stamp = jiffies;
req->r_start_latency = ktime_get();