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Date: Tue, 15 Sep 2015 20:30:41 -0400
From: green@...uxhacker.ru
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org,
Andreas Dilger <andreas.dilger@...el.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Oleg Drokin <green@...uxhacker.ru>,
Oleg Drokin <oleg.drokin@...el.com>
Subject: [PATCH 17/19] staging/lustre: Remove IS_SERVER and all users
From: Oleg Drokin <green@...uxhacker.ru>
Since the client can never be server, this is all dead code.
Signed-off-by: Oleg Drokin <oleg.drokin@...el.com>
---
.../staging/lustre/lustre/include/lustre_disk.h | 2 -
drivers/staging/lustre/lustre/mgc/mgc_request.c | 37 ++--------
drivers/staging/lustre/lustre/obdclass/obd_mount.c | 85 ++++------------------
3 files changed, 20 insertions(+), 104 deletions(-)
diff --git a/drivers/staging/lustre/lustre/include/lustre_disk.h b/drivers/staging/lustre/lustre/include/lustre_disk.h
index 131985d..3f404a2 100644
--- a/drivers/staging/lustre/lustre/include/lustre_disk.h
+++ b/drivers/staging/lustre/lustre/include/lustre_disk.h
@@ -180,8 +180,6 @@ struct lustre_disk_data {
#define IS_MDT(data) ((data)->lsi_flags & LDD_F_SV_TYPE_MDT)
#define IS_OST(data) ((data)->lsi_flags & LDD_F_SV_TYPE_OST)
#define IS_MGS(data) ((data)->lsi_flags & LDD_F_SV_TYPE_MGS)
-#define IS_SERVER(data) ((data)->lsi_flags & (LDD_F_SV_TYPE_MGS | \
- LDD_F_SV_TYPE_MDT | LDD_F_SV_TYPE_OST))
#define MT_STR(data) mt_str((data)->ldd_mount_type)
/* Make the mdt/ost server obd name based on the filesystem name */
diff --git a/drivers/staging/lustre/lustre/mgc/mgc_request.c b/drivers/staging/lustre/lustre/mgc/mgc_request.c
index 1bcf946..76c3ded 100644
--- a/drivers/staging/lustre/lustre/mgc/mgc_request.c
+++ b/drivers/staging/lustre/lustre/mgc/mgc_request.c
@@ -248,7 +248,6 @@ static struct config_llog_data *config_recover_log_add(struct obd_device *obd,
struct super_block *sb)
{
struct config_llog_instance lcfg = *cfg;
- struct lustre_sb_info *lsi = s2lsi(sb);
struct config_llog_data *cld;
char logname[32];
@@ -263,14 +262,8 @@ static struct config_llog_data *config_recover_log_add(struct obd_device *obd,
* where only clients are notified if one of cmd server restarts */
LASSERT(strlen(fsname) < sizeof(logname) / 2);
strcpy(logname, fsname);
- if (IS_SERVER(lsi)) { /* mdt */
- LASSERT(lcfg.cfg_instance == NULL);
- lcfg.cfg_instance = sb;
- strcat(logname, "-mdtir");
- } else {
- LASSERT(lcfg.cfg_instance != NULL);
- strcat(logname, "-cliir");
- }
+ LASSERT(lcfg.cfg_instance);
+ strcat(logname, "-cliir");
cld = do_config_log_add(obd, logname, CONFIG_T_RECOVER, &lcfg, sb);
return cld;
@@ -899,12 +892,6 @@ static int mgc_enqueue(struct obd_export *exp, struct lov_stripe_md *lsm,
req_capsule_set_size(&req->rq_pill, &RMF_DLM_LVB, RCL_SERVER, 0);
ptlrpc_request_set_replen(req);
- /* check if this is server or client */
- if (cld->cld_cfg.cfg_sb) {
- struct lustre_sb_info *lsi = s2lsi(cld->cld_cfg.cfg_sb);
- if (lsi && IS_SERVER(lsi))
- short_limit = 1;
- }
/* Limit how long we will wait for the enqueue to complete */
req->rq_delay_limit = short_limit ? 5 : MGC_ENQUEUE_LIMIT;
rc = ldlm_cli_enqueue(exp, &req, &einfo, &cld->cld_resid, NULL, flags,
@@ -1112,7 +1099,6 @@ static int mgc_apply_recover_logs(struct obd_device *mgc,
void *data, int datalen, bool mne_swab)
{
struct config_llog_instance *cfg = &cld->cld_cfg;
- struct lustre_sb_info *lsi = s2lsi(cfg->cfg_sb);
struct mgs_nidtbl_entry *entry;
struct lustre_cfg *lcfg;
struct lustre_cfg_bufs bufs;
@@ -1131,21 +1117,10 @@ static int mgc_apply_recover_logs(struct obd_device *mgc,
if (!inst)
return -ENOMEM;
- if (!IS_SERVER(lsi)) {
- pos = snprintf(inst, PAGE_CACHE_SIZE, "%p", cfg->cfg_instance);
- if (pos >= PAGE_CACHE_SIZE) {
- kfree(inst);
- return -E2BIG;
- }
- } else {
- LASSERT(IS_MDT(lsi));
- rc = server_name2svname(lsi->lsi_svname, inst, NULL,
- PAGE_CACHE_SIZE);
- if (rc) {
- kfree(inst);
- return -EINVAL;
- }
- pos = strlen(inst);
+ pos = snprintf(inst, PAGE_CACHE_SIZE, "%p", cfg->cfg_instance);
+ if (pos >= PAGE_CACHE_SIZE) {
+ kfree(inst);
+ return -E2BIG;
}
++pos;
diff --git a/drivers/staging/lustre/lustre/obdclass/obd_mount.c b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
index 3c66dbd..1db4669 100644
--- a/drivers/staging/lustre/lustre/obdclass/obd_mount.c
+++ b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
@@ -216,29 +216,10 @@ int lustre_start_mgc(struct super_block *sb)
LASSERT(lsi->lsi_lmd);
- /* Find the first non-lo MGS nid for our MGC name */
- if (IS_SERVER(lsi)) {
- /* mount -o mgsnode=nid */
- ptr = lsi->lsi_lmd->lmd_mgs;
- if (lsi->lsi_lmd->lmd_mgs &&
- (class_parse_nid(lsi->lsi_lmd->lmd_mgs, &nid, &ptr) == 0)) {
- i++;
- } else if (IS_MGS(lsi)) {
- lnet_process_id_t id;
- while ((rc = LNetGetId(i++, &id)) != -ENOENT) {
- if (LNET_NETTYP(LNET_NIDNET(id.nid)) == LOLND)
- continue;
- nid = id.nid;
- i++;
- break;
- }
- }
- } else { /* client */
- /* Use nids from mount line: uml1,1@...n:uml2,2@...n:/lustre */
- ptr = lsi->lsi_lmd->lmd_dev;
- if (class_parse_nid(ptr, &nid, &ptr) == 0)
- i++;
- }
+ /* Use nids from mount line: uml1,1@...n:uml2,2@...n:/lustre */
+ ptr = lsi->lsi_lmd->lmd_dev;
+ if (class_parse_nid(ptr, &nid, &ptr) == 0)
+ i++;
if (i == 0) {
CERROR("No valid MGS nids found.\n");
return -EINVAL;
@@ -326,45 +307,15 @@ int lustre_start_mgc(struct super_block *sb)
/* Add the primary nids for the MGS */
i = 0;
- if (IS_SERVER(lsi)) {
- ptr = lsi->lsi_lmd->lmd_mgs;
- if (IS_MGS(lsi)) {
- /* Use local nids (including LO) */
- lnet_process_id_t id;
- while ((rc = LNetGetId(i++, &id)) != -ENOENT) {
- rc = do_lcfg(mgcname, id.nid,
- LCFG_ADD_UUID, niduuid,
- NULL, NULL, NULL);
- }
- } else {
- /* Use mgsnode= nids */
- /* mount -o mgsnode=nid */
- if (lsi->lsi_lmd->lmd_mgs) {
- ptr = lsi->lsi_lmd->lmd_mgs;
- } else if (class_find_param(ptr, PARAM_MGSNODE,
- &ptr) != 0) {
- CERROR("No MGS nids given.\n");
- rc = -EINVAL;
- goto out_free;
- }
- while (class_parse_nid(ptr, &nid, &ptr) == 0) {
- rc = do_lcfg(mgcname, nid,
- LCFG_ADD_UUID, niduuid,
- NULL, NULL, NULL);
- i++;
- }
- }
- } else { /* client */
- /* Use nids from mount line: uml1,1@...n:uml2,2@...n:/lustre */
- ptr = lsi->lsi_lmd->lmd_dev;
- while (class_parse_nid(ptr, &nid, &ptr) == 0) {
- rc = do_lcfg(mgcname, nid,
- LCFG_ADD_UUID, niduuid, NULL, NULL, NULL);
- i++;
- /* Stop at the first failover nid */
- if (*ptr == ':')
- break;
- }
+ /* Use nids from mount line: uml1,1@...n:uml2,2@...n:/lustre */
+ ptr = lsi->lsi_lmd->lmd_dev;
+ while (class_parse_nid(ptr, &nid, &ptr) == 0) {
+ rc = do_lcfg(mgcname, nid,
+ LCFG_ADD_UUID, niduuid, NULL, NULL, NULL);
+ i++;
+ /* Stop at the first failover nid */
+ if (*ptr == ':')
+ break;
}
if (i == 0) {
CERROR("No valid MGS nids found.\n");
@@ -610,14 +561,6 @@ int lustre_put_lsi(struct super_block *sb)
CDEBUG(D_MOUNT, "put %p %d\n", sb, atomic_read(&lsi->lsi_mounts));
if (atomic_dec_and_test(&lsi->lsi_mounts)) {
- if (IS_SERVER(lsi) && lsi->lsi_osd_exp) {
- lu_device_put(&lsi->lsi_dt_dev->dd_lu_dev);
- lsi->lsi_osd_exp->exp_obd->obd_lvfs_ctxt.dt = NULL;
- lsi->lsi_dt_dev = NULL;
- obd_disconnect(lsi->lsi_osd_exp);
- /* wait till OSD is gone */
- obd_zombie_barrier();
- }
lustre_free_lsi(sb);
return 1;
}
@@ -1267,7 +1210,7 @@ static void lustre_kill_super(struct super_block *sb)
{
struct lustre_sb_info *lsi = s2lsi(sb);
- if (kill_super_cb && lsi && !IS_SERVER(lsi))
+ if (kill_super_cb && lsi)
(*kill_super_cb)(sb);
kill_anon_super(sb);
--
2.1.0
--
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