if (class_exp2obd(md_exp) == NULL) {
CERROR("%s: invalid MDC connection handle closing "DFID"\n",
- ll_get_fsname(inode->i_sb, NULL, 0),
- PFID(&lli->lli_fid));
+ ll_i2sbi(inode)->ll_fsname, PFID(&lli->lli_fid));
GOTO(out, rc = 0);
}
*/
if (rnb->rnb_offset + rnb->rnb_len < i_size_read(inode)) {
CERROR("%s: server returns off/len %llu/%u < i_size %llu\n",
- ll_get_fsname(inode->i_sb, NULL, 0), rnb->rnb_offset,
+ ll_i2sbi(inode)->ll_fsname, rnb->rnb_offset,
rnb->rnb_len, i_size_read(inode));
RETURN_EXIT;
}
if (IS_ERR(vmpage)) {
CWARN("%s: cannot fill page %lu for "DFID
" with data: rc = %li\n",
- ll_get_fsname(inode->i_sb, NULL, 0),
- index + start, PFID(lu_object_fid(&obj->co_lu)),
+ ll_i2sbi(inode)->ll_fsname, index + start,
+ PFID(lu_object_fid(&obj->co_lu)),
PTR_ERR(vmpage));
break;
}
{
struct ll_sb_info *sbi = ll_i2sbi(de->d_inode);
struct dentry *parent = de->d_parent;
- const char *name = NULL;
+ char *name = NULL;
int len = 0;
struct md_op_data *op_data;
struct ptlrpc_request *req = NULL;
/* if server supports open-by-fid, or file name is invalid, don't pack
* name in open request */
- if (!(exp_connect_flags(sbi->ll_md_exp) & OBD_CONNECT_OPEN_BY_FID) &&
- lu_name_is_valid_2(de->d_name.name, de->d_name.len)) {
- name = de->d_name.name;
+ if (OBD_FAIL_CHECK(OBD_FAIL_LLITE_OPEN_BY_NAME) ||
+ !(exp_connect_flags(sbi->ll_md_exp) & OBD_CONNECT_OPEN_BY_FID)) {
+retry:
len = de->d_name.len;
+ name = kmalloc(len + 1, GFP_NOFS);
+ if (!name)
+ RETURN(-ENOMEM);
+
+ /* race here */
+ spin_lock(&de->d_lock);
+ if (len != de->d_name.len) {
+ spin_unlock(&de->d_lock);
+ kfree(name);
+ goto retry;
+ }
+ memcpy(name, de->d_name.name, len);
+ name[len] = '\0';
+ spin_unlock(&de->d_lock);
+
+ if (!lu_name_is_valid_2(name, len)) {
+ kfree(name);
+ RETURN(-ESTALE);
+ }
}
op_data = ll_prep_md_op_data(NULL, parent->d_inode, de->d_inode,
name, len, 0, LUSTRE_OPC_ANY, NULL);
- if (IS_ERR(op_data))
+ if (IS_ERR(op_data)) {
+ kfree(name);
RETURN(PTR_ERR(op_data));
+ }
op_data->op_data = lmm;
op_data->op_data_size = lmmsize;
rc = md_intent_lock(sbi->ll_md_exp, op_data, itp, &req,
&ll_md_blocking_ast, 0);
+ kfree(name);
ll_finish_md_op_data(op_data);
if (rc == -ESTALE) {
/* reason for keep own exit path - don`t flood log
rc2 = ll_close_inode_openhandle(inode, och, 0, NULL);
if (rc2 < 0)
CERROR("%s: error closing file "DFID": %d\n",
- ll_get_fsname(inode->i_sb, NULL, 0),
- PFID(&ll_i2info(inode)->lli_fid), rc2);
+ sbi->ll_fsname, PFID(&ll_i2info(inode)->lli_fid), rc2);
och = NULL; /* och has been freed in ll_close_inode_openhandle() */
out_release_it:
ll_intent_release(&it);
ENTRY;
CDEBUG(D_INODE, "%s: biased close of file "DFID"\n",
- ll_get_fsname(inode->i_sb, NULL, 0), PFID(fid1));
+ ll_i2sbi(inode)->ll_fsname, PFID(fid1));
rc = ll_check_swap_layouts_validity(inode, inode2);
if (rc < 0)
ll_io_set_mirror(io, file);
}
+static void ll_heat_add(struct inode *inode, enum cl_io_type iot,
+ __u64 count)
+{
+ struct ll_inode_info *lli = ll_i2info(inode);
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ enum obd_heat_type sample_type;
+ enum obd_heat_type iobyte_type;
+ __u64 now = ktime_get_real_seconds();
+
+ if (!ll_sbi_has_file_heat(sbi) ||
+ lli->lli_heat_flags & LU_HEAT_FLAG_OFF)
+ return;
+
+ if (iot == CIT_READ) {
+ sample_type = OBD_HEAT_READSAMPLE;
+ iobyte_type = OBD_HEAT_READBYTE;
+ } else if (iot == CIT_WRITE) {
+ sample_type = OBD_HEAT_WRITESAMPLE;
+ iobyte_type = OBD_HEAT_WRITEBYTE;
+ } else {
+ return;
+ }
+
+ spin_lock(&lli->lli_heat_lock);
+ obd_heat_add(&lli->lli_heat_instances[sample_type], now, 1,
+ sbi->ll_heat_decay_weight, sbi->ll_heat_period_second);
+ obd_heat_add(&lli->lli_heat_instances[iobyte_type], now, count,
+ sbi->ll_heat_decay_weight, sbi->ll_heat_period_second);
+ spin_unlock(&lli->lli_heat_lock);
+}
+
static ssize_t
ll_file_io_generic(const struct lu_env *env, struct vvp_io_args *args,
struct file *file, enum cl_io_type iot,
}
CDEBUG(D_VFSTRACE, "iot: %d, result: %zd\n", iot, result);
+ if (result > 0)
+ ll_heat_add(inode, iot, result);
RETURN(result > 0 ? result : rc);
}
if (result == -ENODATA)
result = 0;
- if (result > 0)
+ if (result > 0) {
+ ll_heat_add(file_inode(iocb->ki_filp), CIT_READ, result);
ll_stats_ops_tally(ll_i2sbi(file_inode(iocb->ki_filp)),
LPROC_LL_READ_BYTES, result);
+ }
return result;
}
static ssize_t ll_do_tiny_write(struct kiocb *iocb, struct iov_iter *iter)
{
ssize_t count = iov_iter_count(iter);
- struct file *file = iocb->ki_filp;
- struct inode *inode = file_inode(file);
+ struct file *file = iocb->ki_filp;
+ struct inode *inode = file_inode(file);
+ bool lock_inode = !IS_NOSEC(inode);
ssize_t result = 0;
ENTRY;
(iocb->ki_pos & (PAGE_SIZE-1)) + count > PAGE_SIZE)
RETURN(0);
+ if (unlikely(lock_inode))
+ inode_lock(inode);
result = __generic_file_write_iter(iocb, iter);
+ if (unlikely(lock_inode))
+ inode_unlock(inode);
+
/* If the page is not already dirty, ll_tiny_write_begin returns
* -ENODATA. We continue on to normal write.
*/
result = 0;
if (result > 0) {
+ ll_heat_add(inode, CIT_WRITE, result);
ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_WRITE_BYTES,
result);
ll_file_set_flag(ll_i2info(inode), LLIF_DATA_MODIFIED);
ENTRY;
CDEBUG(D_INODE, "%s: Releasing file "DFID".\n",
- ll_get_fsname(inode->i_sb, NULL, 0),
+ ll_i2sbi(inode)->ll_fsname,
PFID(&ll_i2info(inode)->lli_fid));
och = ll_lease_open(inode, NULL, FMODE_WRITE, MDS_OPEN_RELEASE);
static int ll_ladvise_sanity(struct inode *inode,
struct llapi_lu_ladvise *ladvise)
{
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
enum lu_ladvise_type advice = ladvise->lla_advice;
/* Note the peradvice flags is a 32 bit field, so per advice flags must
* be in the first 32 bits of enum ladvise_flags */
rc = -EINVAL;
CDEBUG(D_VFSTRACE, "%s: advice with value '%d' not recognized,"
"last supported advice is %s (value '%d'): rc = %d\n",
- ll_get_fsname(inode->i_sb, NULL, 0), advice,
+ sbi->ll_fsname, advice,
ladvise_names[LU_LADVISE_MAX-1], LU_LADVISE_MAX-1, rc);
GOTO(out, rc);
}
if (flags & ~LF_LOCKNOEXPAND_MASK) {
rc = -EINVAL;
CDEBUG(D_VFSTRACE, "%s: Invalid flags (%x) for %s: "
- "rc = %d\n",
- ll_get_fsname(inode->i_sb, NULL, 0), flags,
+ "rc = %d\n", sbi->ll_fsname, flags,
ladvise_names[advice], rc);
GOTO(out, rc);
}
ladvise->lla_lockahead_mode == 0) {
rc = -EINVAL;
CDEBUG(D_VFSTRACE, "%s: Invalid mode (%d) for %s: "
- "rc = %d\n",
- ll_get_fsname(inode->i_sb, NULL, 0),
+ "rc = %d\n", sbi->ll_fsname,
ladvise->lla_lockahead_mode,
ladvise_names[advice], rc);
GOTO(out, rc);
if (flags & ~LF_DEFAULT_MASK) {
rc = -EINVAL;
CDEBUG(D_VFSTRACE, "%s: Invalid flags (%x) for %s: "
- "rc = %d\n",
- ll_get_fsname(inode->i_sb, NULL, 0), flags,
+ "rc = %d\n", sbi->ll_fsname, flags,
ladvise_names[advice], rc);
GOTO(out, rc);
}
if (ladvise->lla_start >= ladvise->lla_end) {
rc = -EINVAL;
CDEBUG(D_VFSTRACE, "%s: Invalid range (%llu to %llu) "
- "for %s: rc = %d\n",
- ll_get_fsname(inode->i_sb, NULL, 0),
+ "for %s: rc = %d\n", sbi->ll_fsname,
ladvise->lla_start, ladvise->lla_end,
ladvise_names[advice], rc);
GOTO(out, rc);
RETURN(rc);
}
+static void ll_heat_get(struct inode *inode, struct lu_heat *heat)
+{
+ struct ll_inode_info *lli = ll_i2info(inode);
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ __u64 now = ktime_get_real_seconds();
+ int i;
+
+ spin_lock(&lli->lli_heat_lock);
+ heat->lh_flags = lli->lli_heat_flags;
+ for (i = 0; i < heat->lh_count; i++)
+ heat->lh_heat[i] = obd_heat_get(&lli->lli_heat_instances[i],
+ now, sbi->ll_heat_decay_weight,
+ sbi->ll_heat_period_second);
+ spin_unlock(&lli->lli_heat_lock);
+}
+
+static int ll_heat_set(struct inode *inode, __u64 flags)
+{
+ struct ll_inode_info *lli = ll_i2info(inode);
+ int rc = 0;
+
+ spin_lock(&lli->lli_heat_lock);
+ if (flags & LU_HEAT_FLAG_CLEAR)
+ obd_heat_clear(lli->lli_heat_instances, OBD_HEAT_COUNT);
+
+ if (flags & LU_HEAT_FLAG_OFF)
+ lli->lli_heat_flags |= LU_HEAT_FLAG_OFF;
+ else
+ lli->lli_heat_flags &= ~LU_HEAT_FLAG_OFF;
+
+ spin_unlock(&lli->lli_heat_lock);
+
+ RETURN(rc);
+}
+
static long
ll_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
RETURN(ll_ioctl_fssetxattr(inode, cmd, arg));
case BLKSSZGET:
RETURN(put_user(PAGE_SIZE, (int __user *)arg));
+ case LL_IOC_HEAT_GET: {
+ struct lu_heat uheat;
+ struct lu_heat *heat;
+ int size;
+
+ if (copy_from_user(&uheat, (void __user *)arg, sizeof(uheat)))
+ RETURN(-EFAULT);
+
+ if (uheat.lh_count > OBD_HEAT_COUNT)
+ uheat.lh_count = OBD_HEAT_COUNT;
+
+ size = offsetof(typeof(uheat), lh_heat[uheat.lh_count]);
+ OBD_ALLOC(heat, size);
+ if (heat == NULL)
+ RETURN(-ENOMEM);
+
+ heat->lh_count = uheat.lh_count;
+ ll_heat_get(inode, heat);
+ rc = copy_to_user((char __user *)arg, heat, size);
+ OBD_FREE(heat, size);
+ RETURN(rc ? -EFAULT : 0);
+ }
+ case LL_IOC_HEAT_SET: {
+ __u64 flags;
+
+ if (copy_from_user(&flags, (void __user *)arg, sizeof(flags)))
+ RETURN(-EFAULT);
+
+ rc = ll_heat_set(inode, flags);
+ RETURN(rc);
+ }
default:
RETURN(obd_iocontrol(cmd, ll_i2dtexp(inode), 0, NULL,
(void __user *)arg));
if (le32_to_cpu(lum->lum_stripe_count) > 1 ||
ll_i2info(child_inode)->lli_lsm_md) {
CERROR("%s: MDT doesn't support stripe directory "
- "migration!\n",
- ll_get_fsname(parent->i_sb, NULL, 0));
+ "migration!\n", ll_i2sbi(parent)->ll_fsname);
GOTO(out_iput, rc = -EOPNOTSUPP);
}
}
op_data->op_fid3 = *ll_inode2fid(child_inode);
if (!fid_is_sane(&op_data->op_fid3)) {
CERROR("%s: migrate %s, but FID "DFID" is insane\n",
- ll_get_fsname(parent->i_sb, NULL, 0), name,
+ ll_i2sbi(parent)->ll_fsname, name,
PFID(&op_data->op_fid3));
GOTO(out_unlock, rc = -EINVAL);
}
if (rc == 0) {
LASSERT(request != NULL);
ll_update_times(request, parent);
+ }
+ if (rc == 0 || rc == -EAGAIN) {
body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY);
LASSERT(body != NULL);
request = NULL;
}
- /* Try again if the file layout has changed. */
+ /* Try again if the lease has cancelled. */
if (rc == -EAGAIN && S_ISREG(child_inode->i_mode))
goto again;
} else if (rc != 0) {
CDEBUG_LIMIT((rc == -EACCES || rc == -EIDRM) ? D_INFO : D_ERROR,
"%s: revalidate FID "DFID" error: rc = %d\n",
- ll_get_fsname(inode->i_sb, NULL, 0),
+ ll_i2sbi(inode)->ll_fsname,
PFID(ll_inode2fid(inode)), rc);
}
/* wait for IO to complete if it's still being used. */
if (wait_layout) {
CDEBUG(D_INODE, "%s: "DFID"(%p) wait for layout reconf\n",
- ll_get_fsname(inode->i_sb, NULL, 0),
- PFID(&lli->lli_fid), inode);
+ sbi->ll_fsname, PFID(&lli->lli_fid), inode);
memset(&conf, 0, sizeof conf);
conf.coc_opc = OBJECT_CONF_WAIT;
rc = -EAGAIN;
CDEBUG(D_INODE, "%s file="DFID" waiting layout return: %d\n",
- ll_get_fsname(inode->i_sb, NULL, 0),
- PFID(&lli->lli_fid), rc);
+ sbi->ll_fsname, PFID(&lli->lli_fid), rc);
}
RETURN(rc);
}
it.it_flags = FMODE_WRITE;
LDLM_DEBUG_NOLOCK("%s: requeue layout lock for file "DFID"(%p)",
- ll_get_fsname(inode->i_sb, NULL, 0),
- PFID(&lli->lli_fid), inode);
+ sbi->ll_fsname, PFID(&lli->lli_fid), inode);
rc = md_intent_lock(sbi->ll_md_exp, op_data, &it, &req,
&ll_md_blocking_ast, 0);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff