* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2016, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_LOG
+#include <linux/delay.h>
+
#include <dt_object.h>
#include <llog_swab.h>
#include <lustre_fid.h>
static int llog_osd_exist(struct llog_handle *handle)
{
LASSERT(handle->lgh_obj);
- return dt_object_exists(handle->lgh_obj) &&
- !lu_object_is_dying(handle->lgh_obj->do_lu.lo_header);
+ return dt_object_exists(handle->lgh_obj) && !handle->lgh_destroyed;
}
static void *rec_tail(struct llog_rec_hdr *rec)
* the full llog record to write. This is
* the beginning of buffer to write, the length
* of buffer is stored in \a rec::lrh_len
- * \param[out] reccookie pointer to the cookie to return back if needed.
+ * \param[in,out] reccookie pointer to the cookie to return back if needed.
* It is used for further cancel of this llog
* record.
* \param[in] idx index of the llog record. If \a idx == -1 then
LASSERT(llh->llh_size == reclen);
}
+ /* return error if osp object is stale */
+ if (idx != LLOG_HEADER_IDX && dt_object_stale(o))
+ RETURN(-ESTALE);
rc = dt_attr_get(env, o, &lgi->lgi_attr);
if (rc)
RETURN(rc);
/* llog can be empty only when first record is being written */
LASSERT(ergo(idx > 0, lgi->lgi_attr.la_size > 0));
- if (!ext2_test_bit(idx, LLOG_HDR_BITMAP(llh))) {
+ if (!test_bit_le(idx, LLOG_HDR_BITMAP(llh))) {
CERROR("%s: modify unset record %u\n",
o->do_lu.lo_dev->ld_obd->obd_name, idx);
RETURN(-ENOENT);
&lgi->lgi_off, th);
RETURN(rc);
- } else if (loghandle->lgh_cur_idx > 0) {
+ } else if (llh->llh_flags & LLOG_F_IS_FIXSIZE) {
+ lgi->lgi_off = llh->llh_hdr.lrh_len +
+ (idx - 1) * reclen;
+ } else if (reccookie != NULL && reccookie->lgc_index > 0) {
/**
- * The lgh_cur_offset can be used only if index is
+ * The lgc_offset can be used only if index is
* the same.
*/
- if (idx != loghandle->lgh_cur_idx) {
+ if (idx != reccookie->lgc_index) {
CERROR("%s: modify index mismatch %d %d\n",
o->do_lu.lo_dev->ld_obd->obd_name, idx,
- loghandle->lgh_cur_idx);
+ reccookie->lgc_index);
RETURN(-EFAULT);
}
- lgi->lgi_off = loghandle->lgh_cur_offset;
- CDEBUG(D_OTHER, "modify record "DOSTID": idx:%d, "
+ lgi->lgi_off = reccookie->lgc_offset;
+ CDEBUG(D_OTHER, "modify record "DFID": idx:%u, "
"len:%u offset %llu\n",
- POSTID(&loghandle->lgh_id.lgl_oi), idx,
+ PFID(&loghandle->lgh_id.lgl_oi.oi_fid), idx,
rec->lrh_len, (long long)lgi->lgi_off);
- } else if (llh->llh_flags & LLOG_F_IS_FIXSIZE) {
- lgi->lgi_off = llh->llh_hdr.lrh_len +
- (idx - 1) * reclen;
} else {
/* This can be result of lgh_cur_idx is not set during
* llog processing or llh_size is not set to proper
if (loghandle->lgh_max_size > 0 &&
lgi->lgi_off >= loghandle->lgh_max_size) {
CDEBUG(D_OTHER, "llog is getting too large (%u > %u) at %u "
- DOSTID"\n", (unsigned)lgi->lgi_off,
- loghandle->lgh_max_size,
- (int)loghandle->lgh_last_idx,
- POSTID(&loghandle->lgh_id.lgl_oi));
+ DFID"\n", (unsigned)lgi->lgi_off,
+ loghandle->lgh_max_size, (int)loghandle->lgh_last_idx,
+ PFID(&loghandle->lgh_id.lgl_oi.oi_fid));
/* this is to signal that this llog is full */
loghandle->lgh_last_idx = LLOG_HDR_BITMAP_SIZE(llh) - 1;
RETURN(-ENOSPC);
RETURN(-ENOSPC);
}
+ down_write(&loghandle->lgh_last_sem);
/* increment the last_idx along with llh_tail index, they should
* be equal for a llog lifetime */
loghandle->lgh_last_idx++;
/* the lgh_hdr_mutex protects llog header data from concurrent
* update/cancel, the llh_count and llh_bitmap are protected */
mutex_lock(&loghandle->lgh_hdr_mutex);
- if (ext2_set_bit(index, LLOG_HDR_BITMAP(llh))) {
- CERROR("%s: index %u already set in log bitmap\n",
- o->do_lu.lo_dev->ld_obd->obd_name, index);
+ if (__test_and_set_bit_le(index, LLOG_HDR_BITMAP(llh))) {
+ CERROR("%s: index %u already set in llog bitmap "DFID"\n",
+ o->do_lu.lo_dev->ld_obd->obd_name, index,
+ PFID(lu_object_fid(&o->do_lu)));
mutex_unlock(&loghandle->lgh_hdr_mutex);
LBUG(); /* should never happen */
}
if (rc)
GOTO(out, rc);
+ if (OBD_FAIL_PRECHECK(OBD_FAIL_LLOG_PROCESS_TIMEOUT) &&
+ cfs_fail_val == (unsigned int)(loghandle->lgh_id.lgl_oi.oi.oi_id &
+ 0xFFFFFFFF)) {
+ OBD_RACE(OBD_FAIL_LLOG_PROCESS_TIMEOUT);
+ msleep(1 * MSEC_PER_SEC);
+ }
/* computed index can be used to determine offset for fixed-size
* records. This also allows to handle Catalog wrap around case */
if (llh->llh_flags & LLOG_F_IS_FIXSIZE) {
if (rc < 0)
GOTO(out, rc);
- CDEBUG(D_HA, "added record "DFID": idx: %u, %u off%llu\n",
+ up_write(&loghandle->lgh_last_sem);
+
+ CDEBUG(D_HA, "added record "DFID".%u, %u off%llu\n",
PFID(lu_object_fid(&o->do_lu)), index, rec->lrh_len,
lgi->lgi_off);
if (reccookie != NULL) {
out:
/* cleanup llog for error case */
mutex_lock(&loghandle->lgh_hdr_mutex);
- ext2_clear_bit(index, LLOG_HDR_BITMAP(llh));
+ clear_bit_le(index, LLOG_HDR_BITMAP(llh));
llh->llh_count--;
mutex_unlock(&loghandle->lgh_hdr_mutex);
}
LLOG_HDR_TAIL(llh)->lrt_index = loghandle->lgh_last_idx;
+ up_write(&loghandle->lgh_last_sem);
RETURN(rc);
}
* big enough to handle the remapped records. It is also assumed that records
* of a block have the same format (i.e.: the same features enabled).
*
- * \param[in,out] hdr Header of the block of records to remap.
- * \param[in,out] last_hdr Last header, don't read past this point.
- * \param[in] flags Flags describing the fields to keep.
+ * \param[in,out] hdr Header of the block of records to remap.
+ * \param[in,out] last_hdr Last header, don't read past this point.
+ * \param[in] flags Flags describing the fields to keep.
+ * \param[in] extra_flags Flags describing the extra fields to keep.
*/
static void changelog_block_trim_ext(struct llog_rec_hdr *hdr,
struct llog_rec_hdr *last_hdr,
- enum changelog_rec_flags flags)
+ struct llog_handle *loghandle)
{
+ enum changelog_rec_flags flags = CLF_SUPPORTED;
+ enum changelog_rec_extra_flags extra_flags = CLFE_SUPPORTED;
+
+ if (!(loghandle->lgh_hdr->llh_flags & LLOG_F_EXT_X_XATTR))
+ extra_flags &= ~CLFE_XATTR;
+ if (!(loghandle->lgh_hdr->llh_flags & LLOG_F_EXT_X_OMODE))
+ extra_flags &= ~CLFE_OPEN;
+ if (!(loghandle->lgh_hdr->llh_flags & LLOG_F_EXT_X_NID))
+ extra_flags &= ~CLFE_NID;
+ if (!(loghandle->lgh_hdr->llh_flags & LLOG_F_EXT_X_UIDGID))
+ extra_flags &= ~CLFE_UIDGID;
+ if (!(loghandle->lgh_hdr->llh_flags & LLOG_F_EXT_EXTRA_FLAGS))
+ flags &= ~CLF_EXTRA_FLAGS;
+ if (!(loghandle->lgh_hdr->llh_flags & LLOG_F_EXT_JOBID))
+ flags &= ~CLF_JOBID;
+
+ if (flags == CLF_SUPPORTED && extra_flags == CLFE_SUPPORTED)
+ return;
+
if (hdr->lrh_type != CHANGELOG_REC)
return;
do {
struct changelog_rec *rec = (struct changelog_rec *)(hdr + 1);
+ enum changelog_rec_extra_flags xflag = CLFE_INVALID;
+
+ if (flags & CLF_EXTRA_FLAGS &&
+ rec->cr_flags & CLF_EXTRA_FLAGS) {
+ xflag = changelog_rec_extra_flags(rec)->cr_extra_flags &
+ extra_flags;
+ }
+
+ if (unlikely(hdr->lrh_len == 0)) {
+ /* It is corruption case, we cannot know the next rec,
+ * jump to the last one directly to avoid dead loop. */
+ LCONSOLE(D_WARNING, "Hit invalid llog record: "
+ "idx %u, type %u, id %u\n",
+ hdr->lrh_index, hdr->lrh_type, hdr->lrh_id);
+ hdr = llog_rec_hdr_next(last_hdr);
+ if (unlikely(hdr == last_hdr))
+ LCONSOLE(D_WARNING, "The last record crashed: "
+ "idx %u, type %u, id %u\n",
+ hdr->lrh_index, hdr->lrh_type,
+ hdr->lrh_id);
+ break;
+ }
- changelog_remap_rec(rec, rec->cr_flags & flags);
+ changelog_remap_rec(rec, rec->cr_flags & flags, xflag);
hdr = llog_rec_hdr_next(hdr);
+ /* Yield CPU to avoid soft-lockup if there are too many records
+ * to be handled. */
+ cond_resched();
} while ((char *)hdr <= (char *)last_hdr);
}
o = loghandle->lgh_obj;
LASSERT(o);
- LASSERT(dt_object_exists(o));
+ LASSERT(llog_osd_exist(loghandle));
dt = lu2dt_dev(o->do_lu.lo_dev);
LASSERT(dt);
if (rc)
GOTO(out, rc);
- CDEBUG(D_OTHER, "looking for log index %u (cur idx %u off"
- "%llu), size %llu\n", next_idx, *cur_idx,
+ CDEBUG(D_OTHER,
+ "looking for log index %u (cur idx %u off %llu), size %llu\n",
+ next_idx, *cur_idx,
*cur_offset, lgi->lgi_attr.la_size);
while (*cur_offset < lgi->lgi_attr.la_size) {
if (!force_mini_rec)
goto retry;
- CERROR("%s: invalid llog block at log id "DOSTID"/%u "
+ CERROR("%s: invalid llog block at log id "DFID":%x "
"offset %llu\n",
o->do_lu.lo_dev->ld_obd->obd_name,
- POSTID(&loghandle->lgh_id.lgl_oi),
+ PFID(&loghandle->lgh_id.lgl_oi.oi_fid),
loghandle->lgh_id.lgl_ogen, *cur_offset);
GOTO(out, rc = -EINVAL);
}
rec = buf;
if (LLOG_REC_HDR_NEEDS_SWABBING(rec))
lustre_swab_llog_rec(rec);
-
tail = (struct llog_rec_tail *)((char *)buf + rc -
sizeof(struct llog_rec_tail));
+
+ if (llog_verify_record(loghandle, rec)) {
+ /*
+ * the block seems corrupted. make a pad record so the
+ * caller can skip the block and try with the next one
+ */
+ rec->lrh_len = rc;
+ rec->lrh_index = next_idx;
+ rec->lrh_type = LLOG_PAD_MAGIC;
+
+ tail = rec_tail(rec);
+ tail->lrt_len = rc;
+ tail->lrt_index = next_idx;
+
+ GOTO(out, rc = 0);
+ }
+
/* get the last record in block */
last_rec = (struct llog_rec_hdr *)((char *)buf + rc -
tail->lrt_len);
lustre_swab_llog_rec(last_rec);
if (last_rec->lrh_index != tail->lrt_index) {
- CERROR("%s: invalid llog tail at log id "DOSTID"/%u "
- "offset %llu last_rec idx %u tail idx %u"
- "lrt len %u read_size %d\n",
+ CERROR("%s: invalid llog tail at log id "DFID":%x offset %llu last_rec idx %u tail idx %u lrt len %u read_size %d\n",
o->do_lu.lo_dev->ld_obd->obd_name,
- POSTID(&loghandle->lgh_id.lgl_oi),
+ PFID(&loghandle->lgh_id.lgl_oi.oi_fid),
loghandle->lgh_id.lgl_ogen, *cur_offset,
last_rec->lrh_index, tail->lrt_index,
tail->lrt_len, rc);
/* this shouldn't happen */
if (tail->lrt_index == 0) {
- CERROR("%s: invalid llog tail at log id "DOSTID"/%u "
+ CERROR("%s: invalid llog tail at log id "DFID":%x "
"offset %llu bytes %d\n",
o->do_lu.lo_dev->ld_obd->obd_name,
- POSTID(&loghandle->lgh_id.lgl_oi),
+ PFID(&loghandle->lgh_id.lgl_oi.oi_fid),
loghandle->lgh_id.lgl_ogen, *cur_offset, rc);
GOTO(out, rc = -EINVAL);
}
/* sanity check that the start of the new buffer is no farther
* than the record that we wanted. This shouldn't happen. */
- if (rec->lrh_index > next_idx) {
+ if (next_idx && rec->lrh_index > next_idx) {
if (!force_mini_rec && next_idx > last_idx)
goto retry;
}
/* Trim unsupported extensions for compat w/ older clients */
- if (!(loghandle->lgh_hdr->llh_flags & LLOG_F_EXT_JOBID))
- changelog_block_trim_ext(rec, last_rec,
- CLF_VERSION | CLF_RENAME);
+ changelog_block_trim_ext(rec, last_rec, loghandle);
GOTO(out, rc = 0);
o = loghandle->lgh_obj;
LASSERT(o);
- LASSERT(dt_object_exists(o));
+ LASSERT(llog_osd_exist(loghandle));
dt = lu2dt_dev(o->do_lu.lo_dev);
LASSERT(dt);
GOTO(out, rc);
if (rc < sizeof(*tail)) {
- CERROR("%s: invalid llog block at log id "DOSTID"/%u "
+ CERROR("%s: invalid llog block at log id "DFID":%x "
"offset %llu\n",
o->do_lu.lo_dev->ld_obd->obd_name,
- POSTID(&loghandle->lgh_id.lgl_oi),
+ PFID(&loghandle->lgh_id.lgl_oi.oi_fid),
loghandle->lgh_id.lgl_ogen, cur_offset);
GOTO(out, rc = -EINVAL);
}
/* this shouldn't happen */
if (tail->lrt_index == 0) {
- CERROR("%s: invalid llog tail at log id "DOSTID"/%u "
+ CERROR("%s: invalid llog tail at log id "DFID":%x "
"offset %llu\n",
o->do_lu.lo_dev->ld_obd->obd_name,
- POSTID(&loghandle->lgh_id.lgl_oi),
+ PFID(&loghandle->lgh_id.lgl_oi.oi_fid),
loghandle->lgh_id.lgl_ogen, cur_offset);
GOTO(out, rc = -EINVAL);
}
}
/* Trim unsupported extensions for compat w/ older clients */
- if (!(loghandle->lgh_hdr->llh_flags & LLOG_F_EXT_JOBID))
- changelog_block_trim_ext(rec, last_rec,
- CLF_VERSION | CLF_RENAME);
+ changelog_block_trim_ext(rec, last_rec, loghandle);
GOTO(out, rc = 0);
}
dir = dt_locate(env, dt, &dti->dti_fid);
if (!IS_ERR(dir) && !dt_try_as_dir(env, dir)) {
- lu_object_put(env, &dir->do_lu);
+ dt_object_put(env, dir);
return ERR_PTR(-ENOTDIR);
}
} else {
} else {
/* If logid == NULL, then it means the caller needs
* to allocate new FID (llog_cat_declare_add_rec()). */
- rc = obd_fid_alloc(env, ctxt->loc_exp,
- &lgi->lgi_fid, NULL);
+ rc = dt_fid_alloc(env, dt, &lgi->lgi_fid, NULL, NULL);
if (rc < 0)
RETURN(rc);
rc = 0;
dt_read_lock(env, llog_dir, 0);
rc = dt_lookup_dir(env, llog_dir, name, &lgi->lgi_fid);
dt_read_unlock(env, llog_dir);
- lu_object_put(env, &llog_dir->do_lu);
+ dt_object_put(env, llog_dir);
if (rc == -ENOENT && open_param == LLOG_OPEN_NEW) {
/* generate fid for new llog */
rc = local_object_fid_generate(env, los,
GOTO(out, rc);
new_id = true;
}
-
+ if (OBD_FAIL_PRECHECK(OBD_FAIL_MDS_LLOG_UMOUNT_RACE) &&
+ cfs_fail_val == 1) {
+ cfs_fail_val = 2;
+ OBD_RACE(OBD_FAIL_MDS_LLOG_UMOUNT_RACE);
+ msleep(MSEC_PER_SEC);
+ }
o = ls_locate(env, ls, &lgi->lgi_fid, NULL);
if (IS_ERR(o))
GOTO(out_name, rc = PTR_ERR(o));
", skipping\n",
o->do_lu.lo_dev->ld_obd->obd_name,
PFID(lu_object_fid(&o->do_lu)));
- lu_object_put(env, &o->do_lu);
+ dt_object_put(env, o);
/* just skip this llog ID, we shouldn't delete it because we
* don't know exactly what is its purpose and state. */
goto generate;
after_open:
/* No new llog is expected but doesn't exist */
- if (open_param != LLOG_OPEN_NEW && !dt_object_exists(o))
+ if (open_param != LLOG_OPEN_NEW && !dt_object_exists(o)) {
+ CDEBUG(D_INFO, "%s: llog FID: "DFID" obj %p doesn`t exist\n",
+ o->do_lu.lo_dev->ld_obd->obd_name,
+ PFID(lu_object_fid(&o->do_lu)), o);
GOTO(out_put, rc = -ENOENT);
-
+ }
fid_to_logid(&lgi->lgi_fid, &handle->lgh_id);
handle->lgh_obj = o;
handle->private_data = los;
RETURN(rc);
out_put:
- lu_object_put(env, &o->do_lu);
+ dt_object_put(env, o);
out_name:
if (handle->lgh_name != NULL)
OBD_FREE(handle->lgh_name, strlen(name) + 1);
RETURN(dir);
if (!dt_try_as_dir(env, dir)) {
- lu_object_put(env, &dir->do_lu);
+ dt_object_put(env, dir);
RETURN(ERR_PTR(-ENOTDIR));
}
(struct dt_key *)name, th);
} else {
rc = dt_insert(env, dir, (struct dt_rec *)rec,
- (struct dt_key *)name, th, 1);
+ (struct dt_key *)name, th);
}
dt_write_unlock(env, dir);
- lu_object_put(env, &dir->do_lu);
+ dt_object_put(env, dir);
RETURN(rc);
}
rc = dt_declare_insert(env, llog_dir,
(struct dt_rec *)rec,
(struct dt_key *)res->lgh_name, th);
- lu_object_put(env, &llog_dir->do_lu);
+ dt_object_put(env, llog_dir);
if (rc)
CERROR("%s: can't declare named llog %s: rc = %d\n",
o->do_lu.lo_dev->ld_obd->obd_name,
rec->rec_type = S_IFREG;
dt_read_lock(env, llog_dir, 0);
rc = dt_insert(env, llog_dir, (struct dt_rec *)rec,
- (struct dt_key *)res->lgh_name,
- th, 1);
+ (struct dt_key *)res->lgh_name, th);
dt_read_unlock(env, llog_dir);
- lu_object_put(env, &llog_dir->do_lu);
+ dt_object_put(env, llog_dir);
if (rc)
CERROR("%s: can't create named llog %s: rc = %d\n",
o->do_lu.lo_dev->ld_obd->obd_name,
if (handle->lgh_ctxt->loc_flags & LLOG_CTXT_FLAG_NORMAL_FID) {
/* Remove the object from the cache, otherwise it may
* hold LOD being released during cleanup process */
- lu_object_put_nocache(env, &handle->lgh_obj->do_lu);
+ dt_object_put_nocache(env, handle->lgh_obj);
LASSERT(handle->private_data == NULL);
RETURN(rc);
} else {
- lu_object_put(env, &handle->lgh_obj->do_lu);
+ dt_object_put(env, handle->lgh_obj);
}
los = handle->private_data;
LASSERT(los);
}
dt_write_unlock(env, dir);
- lu_object_put(env, &dir->do_lu);
+ dt_object_put(env, dir);
RETURN(rc);
}
out_put:
if (!(IS_ERR_OR_NULL(llog_dir)))
- lu_object_put(env, &llog_dir->do_lu);
+ dt_object_put(env, llog_dir);
RETURN(rc);
}
LASSERT(o != NULL);
dt_write_lock(env, o, 0);
- if (!dt_object_exists(o))
+ if (!llog_osd_exist(loghandle))
GOTO(out_unlock, rc = 0);
if (loghandle->lgh_name) {
if (rc < 0)
GOTO(out_unlock, rc);
+ loghandle->lgh_destroyed = true;
if (loghandle->lgh_ctxt->loc_flags & LLOG_CTXT_FLAG_NORMAL_FID) {
rc = llog_osd_regular_fid_del_name_entry(env, o, th, false);
if (rc < 0)
out_unlock:
dt_write_unlock(env, o);
if (!(IS_ERR_OR_NULL(llog_dir)))
- lu_object_put(env, &llog_dir->do_lu);
+ dt_object_put(env, llog_dir);
RETURN(rc);
}
if (IS_ERR(th))
GOTO(out, rc = PTR_ERR(th));
- lgi->lgi_attr.la_valid = LA_MODE;
+ lgi->lgi_attr.la_valid = LA_MODE | LA_TYPE;
lgi->lgi_attr.la_mode = S_IFREG | S_IRUGO | S_IWUSR;
lgi->lgi_dof.dof_type = dt_mode_to_dft(S_IFREG);
EXIT;
out:
- lu_object_put(env, &o->do_lu);
+ dt_object_put(env, o);
RETURN(rc);
}
EXPORT_SYMBOL(llog_osd_get_cat_list);
out_trans:
dt_trans_stop(env, d, th);
out:
- lu_object_put(env, &o->do_lu);
+ dt_object_put(env, o);
RETURN(rc);
}
EXPORT_SYMBOL(llog_osd_put_cat_list);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff