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path: root/drivers/staging/lustre/lustre/obdclass/llog.c
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Diffstat (limited to 'drivers/staging/lustre/lustre/obdclass/llog.c')
-rw-r--r--drivers/staging/lustre/lustre/obdclass/llog.c89
1 files changed, 53 insertions, 36 deletions
diff --git a/drivers/staging/lustre/lustre/obdclass/llog.c b/drivers/staging/lustre/lustre/obdclass/llog.c
index cce86890c563..3ab05292152c 100644
--- a/drivers/staging/lustre/lustre/obdclass/llog.c
+++ b/drivers/staging/lustre/lustre/obdclass/llog.c
@@ -56,7 +56,7 @@
* Allocate a new log or catalog handle
* Used inside llog_open().
*/
-struct llog_handle *llog_alloc_handle(void)
+static struct llog_handle *llog_alloc_handle(void)
{
struct llog_handle *loghandle;
@@ -75,7 +75,7 @@ struct llog_handle *llog_alloc_handle(void)
/*
* Free llog handle and header data if exists. Used in llog_close() only
*/
-void llog_free_handle(struct llog_handle *loghandle)
+static void llog_free_handle(struct llog_handle *loghandle)
{
LASSERT(loghandle != NULL);
@@ -140,7 +140,7 @@ int llog_cancel_rec(const struct lu_env *env, struct llog_handle *loghandle,
loghandle->lgh_ctxt->loc_obd->obd_name,
POSTID(&loghandle->lgh_id.lgl_oi),
loghandle->lgh_id.lgl_ogen, rc);
- GOTO(out_err, rc);
+ goto out_err;
}
return 1;
}
@@ -153,7 +153,7 @@ int llog_cancel_rec(const struct lu_env *env, struct llog_handle *loghandle,
loghandle->lgh_ctxt->loc_obd->obd_name,
POSTID(&loghandle->lgh_id.lgl_oi),
loghandle->lgh_id.lgl_ogen, rc);
- GOTO(out_err, rc);
+ goto out_err;
}
return 0;
out_err:
@@ -224,7 +224,8 @@ int llog_init_handle(const struct lu_env *env, struct llog_handle *handle,
llh->llh_flags & LLOG_F_IS_CAT ?
"catalog" : "plain",
flags & LLOG_F_IS_CAT ? "catalog" : "plain");
- GOTO(out, rc = -EINVAL);
+ rc = -EINVAL;
+ goto out;
} else if (llh->llh_flags &
(LLOG_F_IS_PLAIN | LLOG_F_IS_CAT)) {
/*
@@ -235,7 +236,8 @@ int llog_init_handle(const struct lu_env *env, struct llog_handle *handle,
} else {
/* for some reason the llh_flags has no type set */
CERROR("llog type is not specified!\n");
- GOTO(out, rc = -EINVAL);
+ rc = -EINVAL;
+ goto out;
}
if (unlikely(uuid &&
!obd_uuid_equals(uuid, &llh->llh_tgtuuid))) {
@@ -243,7 +245,8 @@ int llog_init_handle(const struct lu_env *env, struct llog_handle *handle,
handle->lgh_ctxt->loc_obd->obd_name,
(char *)uuid->uuid,
(char *)llh->llh_tgtuuid.uuid);
- GOTO(out, rc = -EEXIST);
+ rc = -EEXIST;
+ goto out;
}
}
if (flags & LLOG_F_IS_CAT) {
@@ -316,7 +319,7 @@ repeat:
rc = llog_next_block(lpi->lpi_env, loghandle, &saved_index,
index, &cur_offset, buf, LLOG_CHUNK_SIZE);
if (rc)
- GOTO(out, rc);
+ goto out;
/* NB: when rec->lrh_len is accessed it is already swabbed
* since it is used at the "end" of the loop and the rec
@@ -336,16 +339,18 @@ repeat:
if (rec->lrh_index == 0) {
/* probably another rec just got added? */
+ rc = 0;
if (index <= loghandle->lgh_last_idx)
- GOTO(repeat, rc = 0);
- GOTO(out, rc = 0); /* no more records */
+ goto repeat;
+ goto out; /* no more records */
}
if (rec->lrh_len == 0 ||
rec->lrh_len > LLOG_CHUNK_SIZE) {
CWARN("invalid length %d in llog record for "
"index %d/%d\n", rec->lrh_len,
rec->lrh_index, index);
- GOTO(out, rc = -EINVAL);
+ rc = -EINVAL;
+ goto out;
}
if (rec->lrh_index < index) {
@@ -369,7 +374,7 @@ repeat:
lpi->lpi_cbdata);
last_called_index = index;
if (rc == LLOG_PROC_BREAK) {
- GOTO(out, rc);
+ goto out;
} else if (rc == LLOG_DEL_RECORD) {
llog_cancel_rec(lpi->lpi_env,
loghandle,
@@ -377,15 +382,17 @@ repeat:
rc = 0;
}
if (rc)
- GOTO(out, rc);
+ goto out;
} else {
CDEBUG(D_OTHER, "Skipped index %d\n", index);
}
/* next record, still in buffer? */
++index;
- if (index > last_index)
- GOTO(out, rc = 0);
+ if (index > last_index) {
+ rc = 0;
+ goto out;
+ }
}
}
@@ -506,7 +513,7 @@ int llog_reverse_process(const struct lu_env *env,
rc = llog_prev_block(env, loghandle, index, buf,
LLOG_CHUNK_SIZE);
if (rc)
- GOTO(out, rc);
+ goto out;
rec = buf;
idx = rec->lrh_index;
@@ -522,8 +529,11 @@ int llog_reverse_process(const struct lu_env *env,
/* process records in buffer, starting where we found one */
while ((void *)tail > buf) {
- if (tail->lrt_index == 0)
- GOTO(out, rc = 0); /* no more records */
+ if (tail->lrt_index == 0) {
+ /* no more records */
+ rc = 0;
+ goto out;
+ }
/* if set, process the callback on this record */
if (ext2_test_bit(index, llh->llh_bitmap)) {
@@ -532,20 +542,22 @@ int llog_reverse_process(const struct lu_env *env,
rc = cb(env, loghandle, rec, data);
if (rc == LLOG_PROC_BREAK) {
- GOTO(out, rc);
+ goto out;
} else if (rc == LLOG_DEL_RECORD) {
llog_cancel_rec(env, loghandle,
tail->lrt_index);
rc = 0;
}
if (rc)
- GOTO(out, rc);
+ goto out;
}
/* previous record, still in buffer? */
--index;
- if (index < first_index)
- GOTO(out, rc = 0);
+ if (index < first_index) {
+ rc = 0;
+ goto out;
+ }
tail = (void *)tail - tail->lrt_len;
}
}
@@ -750,8 +762,10 @@ int llog_open_create(const struct lu_env *env, struct llog_ctxt *ctxt,
d = lu2dt_dev((*res)->lgh_obj->do_lu.lo_dev);
th = dt_trans_create(env, d);
- if (IS_ERR(th))
- GOTO(out, rc = PTR_ERR(th));
+ if (IS_ERR(th)) {
+ rc = PTR_ERR(th);
+ goto out;
+ }
rc = llog_declare_create(env, *res, th);
if (rc == 0) {
@@ -820,11 +834,11 @@ int llog_write(const struct lu_env *env, struct llog_handle *loghandle,
rc = llog_declare_write_rec(env, loghandle, rec, idx, th);
if (rc)
- GOTO(out_trans, rc);
+ goto out_trans;
rc = dt_trans_start_local(env, dt, th);
if (rc)
- GOTO(out_trans, rc);
+ goto out_trans;
down_write(&loghandle->lgh_lock);
rc = llog_write_rec(env, loghandle, rec, reccookie,
@@ -878,9 +892,11 @@ int llog_close(const struct lu_env *env, struct llog_handle *loghandle)
rc = llog_handle2ops(loghandle, &lop);
if (rc)
- GOTO(out, rc);
- if (lop->lop_close == NULL)
- GOTO(out, rc = -EOPNOTSUPP);
+ goto out;
+ if (lop->lop_close == NULL) {
+ rc = -EOPNOTSUPP;
+ goto out;
+ }
rc = lop->lop_close(env, loghandle);
out:
llog_handle_put(loghandle);
@@ -898,12 +914,12 @@ int llog_is_empty(const struct lu_env *env, struct llog_ctxt *ctxt,
if (rc < 0) {
if (likely(rc == -ENOENT))
rc = 0;
- GOTO(out, rc);
+ goto out;
}
rc = llog_init_handle(env, llh, LLOG_F_IS_PLAIN, NULL);
if (rc)
- GOTO(out_close, rc);
+ goto out_close;
rc = llog_get_size(llh);
out_close:
@@ -948,19 +964,19 @@ int llog_backup(const struct lu_env *env, struct obd_device *obd,
rc = llog_init_handle(env, llh, LLOG_F_IS_PLAIN, NULL);
if (rc)
- GOTO(out_close, rc);
+ goto out_close;
/* Make sure there's no old backup log */
rc = llog_erase(env, bctxt, NULL, backup);
if (rc < 0 && rc != -ENOENT)
- GOTO(out_close, rc);
+ goto out_close;
/* open backup log */
rc = llog_open_create(env, bctxt, &bllh, NULL, backup);
if (rc) {
CERROR("%s: failed to open backup logfile %s: rc = %d\n",
obd->obd_name, backup, rc);
- GOTO(out_close, rc);
+ goto out_close;
}
/* check that backup llog is not the same object as original one */
@@ -968,12 +984,13 @@ int llog_backup(const struct lu_env *env, struct obd_device *obd,
CERROR("%s: backup llog %s to itself (%s), objects %p/%p\n",
obd->obd_name, name, backup, llh->lgh_obj,
bllh->lgh_obj);
- GOTO(out_backup, rc = -EEXIST);
+ rc = -EEXIST;
+ goto out_backup;
}
rc = llog_init_handle(env, bllh, LLOG_F_IS_PLAIN, NULL);
if (rc)
- GOTO(out_backup, rc);
+ goto out_backup;
/* Copy log record by record */
rc = llog_process_or_fork(env, llh, llog_copy_handler, (void *)bllh,