* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2016, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <linux/pagemap.h>
#include <linux/mm.h>
#include <linux/version.h>
+#include <linux/security.h>
#include <linux/user_namespace.h>
#ifdef HAVE_UIDGID_HEADER
# include <linux/uidgid.h>
#endif
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <linux/buffer_head.h> // for wait_on_buffer
#include <linux/pagevec.h>
#define DEBUG_SUBSYSTEM S_LLITE
-#include <lustre/lustre_idl.h>
-
#include <obd_support.h>
#include <obd_class.h>
-#include <uapi/linux/lustre_ioctl.h>
+#include <uapi/linux/lustre/lustre_ioctl.h>
#include <lustre_lib.h>
#include <lustre_dlm.h>
#include <lustre_fid.h>
/* Always remove the page for striped dir, because the page is
* built from temporarily in LMV layer */
- if (inode != NULL && S_ISDIR(inode->i_mode) &&
- ll_i2info(inode)->lli_lsm_md != NULL) {
+ if (inode && ll_dir_striped(inode)) {
__free_page(page);
return;
}
if (remove) {
lock_page(page);
if (likely(page->mapping != NULL))
- truncate_complete_page(page->mapping, page);
+ delete_from_page_cache(page);
unlock_page(page);
}
put_page(page);
static int ll_readdir(struct file *filp, void *cookie, filldir_t filldir)
#endif
{
- struct inode *inode = file_inode(filp);
- struct ll_file_data *lfd = LUSTRE_FPRIVATE(filp);
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- int hash64 = sbi->ll_flags & LL_SBI_64BIT_HASH;
- int api32 = ll_need_32bit_api(sbi);
- struct md_op_data *op_data;
- __u64 pos;
- int rc;
+ struct inode *inode = file_inode(filp);
+ struct ll_file_data *lfd = LUSTRE_FPRIVATE(filp);
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ int hash64 = sbi->ll_flags & LL_SBI_64BIT_HASH;
+ int api32 = ll_need_32bit_api(sbi);
+ struct md_op_data *op_data;
+ struct lu_fid pfid = { 0 };
+ ktime_t kstart = ktime_get();
+ __u64 pos;
+ int rc;
ENTRY;
if (lfd != NULL)
*/
GOTO(out, rc = 0);
- op_data = ll_prep_md_op_data(NULL, inode, inode, NULL, 0, 0,
- LUSTRE_OPC_ANY, inode);
- if (IS_ERR(op_data))
- GOTO(out, rc = PTR_ERR(op_data));
-
- if (unlikely(op_data->op_mea1 != NULL)) {
- /* This is only needed for striped dir to fill ..,
- * see lmv_read_entry */
+ if (unlikely(ll_dir_striped(inode))) {
+ /*
+ * This is only needed for striped dir to fill ..,
+ * see lmv_read_page()
+ */
if (file_dentry(filp)->d_parent != NULL &&
file_dentry(filp)->d_parent->d_inode != NULL) {
- __u64 ibits = MDS_INODELOCK_UPDATE;
+ __u64 ibits = MDS_INODELOCK_LOOKUP;
struct inode *parent =
file_dentry(filp)->d_parent->d_inode;
if (ll_have_md_lock(parent, &ibits, LCK_MINMODE))
- op_data->op_fid3 = *ll_inode2fid(parent);
+ pfid = *ll_inode2fid(parent);
}
/* If it can not find in cache, do lookup .. on the master
* object */
- if (fid_is_zero(&op_data->op_fid3)) {
- rc = ll_dir_get_parent_fid(inode, &op_data->op_fid3);
- if (rc != 0) {
- ll_finish_md_op_data(op_data);
+ if (fid_is_zero(&pfid)) {
+ rc = ll_dir_get_parent_fid(inode, &pfid);
+ if (rc != 0)
RETURN(rc);
- }
}
}
+
+ op_data = ll_prep_md_op_data(NULL, inode, inode, NULL, 0, 0,
+ LUSTRE_OPC_ANY, inode);
+ if (IS_ERR(op_data))
+ GOTO(out, rc = PTR_ERR(op_data));
+
+ /* foreign dirs are browsed out of Lustre */
+ if (unlikely(op_data->op_mea1 != NULL &&
+ op_data->op_mea1->lsm_md_magic == LMV_MAGIC_FOREIGN)) {
+ ll_finish_md_op_data(op_data);
+ RETURN(-ENODATA);
+ }
+
+ op_data->op_fid3 = pfid;
+
#ifdef HAVE_DIR_CONTEXT
ctx->pos = pos;
rc = ll_dir_read(inode, &pos, op_data, ctx);
filp->f_pos = pos;
#endif
ll_finish_md_op_data(op_data);
- filp->f_version = inode->i_version;
out:
if (!rc)
- ll_stats_ops_tally(sbi, LPROC_LL_READDIR, 1);
+ ll_stats_ops_tally(sbi, LPROC_LL_READDIR,
+ ktime_us_delta(ktime_get(), kstart));
RETURN(rc);
}
* <0 if the creation is failed.
*/
static int ll_dir_setdirstripe(struct dentry *dparent, struct lmv_user_md *lump,
- const char *dirname, umode_t mode)
+ size_t len, const char *dirname, umode_t mode)
{
struct inode *parent = dparent->d_inode;
struct ptlrpc_request *request = NULL;
.d_name = {
.name = dirname,
.len = strlen(dirname),
- .hash = full_name_hash(dirname, strlen(dirname)),
+ .hash = ll_full_name_hash(dparent, dirname,
+ strlen(dirname)),
},
};
int err;
ENTRY;
- if (unlikely(lump->lum_magic != LMV_USER_MAGIC))
+ if (unlikely(!lmv_magic_supported(lump->lum_magic)))
RETURN(-EINVAL);
- CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) name %s "
- "stripe_offset %d, stripe_count: %u\n",
- PFID(ll_inode2fid(parent)), parent, dirname,
- (int)lump->lum_stripe_offset, lump->lum_stripe_count);
+ if (lump->lum_magic != LMV_MAGIC_FOREIGN) {
+ CDEBUG(D_VFSTRACE,
+ "VFS Op:inode="DFID"(%p) name %s stripe_offset %d, stripe_count: %u\n",
+ PFID(ll_inode2fid(parent)), parent, dirname,
+ (int)lump->lum_stripe_offset, lump->lum_stripe_count);
+ } else {
+ struct lmv_foreign_md *lfm = (struct lmv_foreign_md *)lump;
+
+ CDEBUG(D_VFSTRACE,
+ "VFS Op:inode="DFID"(%p) name %s foreign, length %u, value '%.*s'\n",
+ PFID(ll_inode2fid(parent)), parent, dirname,
+ lfm->lfm_length, lfm->lfm_length, lfm->lfm_value);
+ }
if (lump->lum_stripe_count > 1 &&
!(exp_connect_flags(sbi->ll_md_exp) & OBD_CONNECT_DIR_STRIPE))
!OBD_FAIL_CHECK(OBD_FAIL_LLITE_NO_CHECK_DEAD))
RETURN(-ENOENT);
- if (lump->lum_magic != cpu_to_le32(LMV_USER_MAGIC))
+ if (unlikely(!lmv_magic_supported(cpu_to_le32(lump->lum_magic))))
lustre_swab_lmv_user_md(lump);
if (!IS_POSIXACL(parent) || !exp_connect_umask(ll_i2mdexp(parent)))
}
op_data->op_cli_flags |= CLI_SET_MEA;
- err = md_create(sbi->ll_md_exp, op_data, lump, sizeof(*lump), mode,
+ err = md_create(sbi->ll_md_exp, op_data, lump, len, mode,
from_kuid(&init_user_ns, current_fsuid()),
from_kgid(&init_user_ns, current_fsgid()),
cfs_curproc_cap_pack(), 0, &request);
dentry.d_inode = inode;
- if (!(sbi->ll_flags & LL_SBI_FILE_SECCTX)) {
+ if (sbi->ll_flags & LL_SBI_FILE_SECCTX) {
+ inode_lock(inode);
+ err = security_inode_notifysecctx(inode,
+ op_data->op_file_secctx,
+ op_data->op_file_secctx_size);
+ inode_unlock(inode);
+ } else {
err = ll_inode_init_security(&dentry, inode, parent);
- if (err)
- GOTO(out_inode, err);
}
+ if (err)
+ GOTO(out_inode, err);
out_inode:
if (inode != NULL)
int ll_dir_setstripe(struct inode *inode, struct lov_user_md *lump,
int set_default)
{
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct md_op_data *op_data;
- struct ptlrpc_request *req = NULL;
- int rc = 0;
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct md_op_data *op_data;
+ struct ptlrpc_request *req = NULL;
+ int rc = 0;
#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 13, 53, 0)
- struct lustre_sb_info *lsi = s2lsi(inode->i_sb);
- struct obd_device *mgc = lsi->lsi_mgc;
+ struct lustre_sb_info *lsi = s2lsi(inode->i_sb);
+ struct obd_device *mgc = lsi->lsi_mgc;
#endif
- int lum_size;
+ int lum_size;
ENTRY;
- if (lump != NULL) {
- /*
- * This is coming from userspace, so should be in
- * local endian. But the MDS would like it in little
- * endian, so we swab it before we send it.
- */
- switch (lump->lmm_magic) {
- case LOV_USER_MAGIC_V1: {
- if (lump->lmm_magic != cpu_to_le32(LOV_USER_MAGIC_V1))
- lustre_swab_lov_user_md_v1(lump);
- lum_size = sizeof(struct lov_user_md_v1);
- break;
- }
- case LOV_USER_MAGIC_V3: {
- if (lump->lmm_magic != cpu_to_le32(LOV_USER_MAGIC_V3))
- lustre_swab_lov_user_md_v3(
- (struct lov_user_md_v3 *)lump);
- lum_size = sizeof(struct lov_user_md_v3);
- break;
- }
- case LOV_USER_MAGIC_COMP_V1: {
- if (lump->lmm_magic !=
- cpu_to_le32(LOV_USER_MAGIC_COMP_V1))
- lustre_swab_lov_comp_md_v1(
- (struct lov_comp_md_v1 *)lump);
- lum_size = le32_to_cpu(
- ((struct lov_comp_md_v1 *)lump)->lcm_size);
+ if (lump != NULL) {
+ switch (lump->lmm_magic) {
+ case LOV_USER_MAGIC_V1:
+ lum_size = sizeof(struct lov_user_md_v1);
break;
- }
- case LMV_USER_MAGIC: {
+ case LOV_USER_MAGIC_V3:
+ lum_size = sizeof(struct lov_user_md_v3);
+ break;
+ case LOV_USER_MAGIC_COMP_V1:
+ lum_size = ((struct lov_comp_md_v1 *)lump)->lcm_size;
+ break;
+ case LMV_USER_MAGIC:
if (lump->lmm_magic != cpu_to_le32(LMV_USER_MAGIC))
lustre_swab_lmv_user_md(
(struct lmv_user_md *)lump);
lum_size = sizeof(struct lmv_user_md);
break;
+ case LOV_USER_MAGIC_SPECIFIC: {
+ struct lov_user_md_v3 *v3 =
+ (struct lov_user_md_v3 *)lump;
+ if (v3->lmm_stripe_count > LOV_MAX_STRIPE_COUNT)
+ RETURN(-EINVAL);
+ lum_size = lov_user_md_size(v3->lmm_stripe_count,
+ LOV_USER_MAGIC_SPECIFIC);
+ break;
+ }
+ default:
+ CDEBUG(D_IOCTL, "bad userland LOV MAGIC:"
+ " %#08x != %#08x nor %#08x\n",
+ lump->lmm_magic, LOV_USER_MAGIC_V1,
+ LOV_USER_MAGIC_V3);
+ RETURN(-EINVAL);
}
- default: {
- CDEBUG(D_IOCTL, "bad userland LOV MAGIC:"
- " %#08x != %#08x nor %#08x\n",
- lump->lmm_magic, LOV_USER_MAGIC_V1,
- LOV_USER_MAGIC_V3);
- RETURN(-EINVAL);
- }
- }
- } else {
- lum_size = sizeof(struct lov_user_md_v1);
- }
- op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
- LUSTRE_OPC_ANY, NULL);
- if (IS_ERR(op_data))
- RETURN(PTR_ERR(op_data));
+ /*
+ * This is coming from userspace, so should be in
+ * local endian. But the MDS would like it in little
+ * endian, so we swab it before we send it.
+ */
+ if ((__swab32(lump->lmm_magic) & le32_to_cpu(LOV_MAGIC_MASK)) ==
+ le32_to_cpu(LOV_MAGIC_MAGIC))
+ lustre_swab_lov_user_md(lump, 0);
+ } else {
+ lum_size = sizeof(struct lov_user_md_v1);
+ }
+
+ op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
+ LUSTRE_OPC_ANY, NULL);
+ if (IS_ERR(op_data))
+ RETURN(PTR_ERR(op_data));
/* swabbing is done in lov_setstripe() on server side */
rc = md_setattr(sbi->ll_md_exp, op_data, lump, lum_size, &req);
buf = param;
/* Get fsname and assume devname to be -MDT0000. */
- ll_get_fsname(inode->i_sb, buf, MTI_NAME_MAXLEN);
- strcat(buf, "-MDT0000.lov");
+ snprintf(buf, MGS_PARAM_MAXLEN, "%s-MDT0000.lov",
+ sbi->ll_fsname);
buf += strlen(buf);
/* Set root stripesize */
RETURN(rc);
}
-/**
- * This function will be used to get default LOV/LMV/Default LMV
- * @valid will be used to indicate which stripe it will retrieve
- * OBD_MD_MEA LMV stripe EA
- * OBD_MD_DEFAULT_MEA Default LMV stripe EA
- * otherwise Default LOV EA.
- * Each time, it can only retrieve 1 stripe EA
- **/
-int ll_dir_getstripe(struct inode *inode, void **plmm, int *plmm_size,
- struct ptlrpc_request **request, u64 valid)
+static int ll_dir_get_default_layout(struct inode *inode, void **plmm,
+ int *plmm_size,
+ struct ptlrpc_request **request, u64 valid,
+ enum get_default_layout_type type)
{
struct ll_sb_info *sbi = ll_i2sbi(inode);
struct mdt_body *body;
struct ptlrpc_request *req = NULL;
int rc, lmm_size;
struct md_op_data *op_data;
+ struct lu_fid fid;
ENTRY;
rc = ll_get_default_mdsize(sbi, &lmm_size);
RETURN(PTR_ERR(op_data));
op_data->op_valid = valid | OBD_MD_FLEASIZE | OBD_MD_FLDIREA;
+
+ if (type == GET_DEFAULT_LAYOUT_ROOT) {
+ lu_root_fid(&op_data->op_fid1);
+ fid = op_data->op_fid1;
+ } else {
+ fid = *ll_inode2fid(inode);
+ }
+
rc = md_getattr(sbi->ll_md_exp, op_data, &req);
ll_finish_md_op_data(op_data);
if (rc < 0) {
- CDEBUG(D_INFO, "md_getattr failed on inode "
- DFID": rc %d\n", PFID(ll_inode2fid(inode)), rc);
+ CDEBUG(D_INFO, "md_getattr failed on inode "DFID": rc %d\n",
+ PFID(&fid), rc);
GOTO(out, rc);
}
/* We don't swab objects for directories */
switch (le32_to_cpu(lmm->lmm_magic)) {
case LOV_MAGIC_V1:
- if (LOV_MAGIC != cpu_to_le32(LOV_MAGIC))
- lustre_swab_lov_user_md_v1((struct lov_user_md_v1 *)lmm);
- break;
case LOV_MAGIC_V3:
- if (LOV_MAGIC != cpu_to_le32(LOV_MAGIC))
- lustre_swab_lov_user_md_v3((struct lov_user_md_v3 *)lmm);
- break;
case LOV_MAGIC_COMP_V1:
+ case LOV_USER_MAGIC_SPECIFIC:
if (LOV_MAGIC != cpu_to_le32(LOV_MAGIC))
- lustre_swab_lov_comp_md_v1(
- (struct lov_comp_md_v1 *)lmm);
+ lustre_swab_lov_user_md((struct lov_user_md *)lmm, 0);
break;
case LMV_MAGIC_V1:
if (LMV_MAGIC != cpu_to_le32(LMV_MAGIC))
if (LMV_USER_MAGIC != cpu_to_le32(LMV_USER_MAGIC))
lustre_swab_lmv_user_md((struct lmv_user_md *)lmm);
break;
+ case LMV_MAGIC_FOREIGN: {
+ struct lmv_foreign_md *lfm = (struct lmv_foreign_md *)lmm;
+
+ if (LMV_MAGIC_FOREIGN != cpu_to_le32(LMV_MAGIC_FOREIGN)) {
+ __swab32s(&lfm->lfm_magic);
+ __swab32s(&lfm->lfm_length);
+ __swab32s(&lfm->lfm_type);
+ __swab32s(&lfm->lfm_flags);
+ }
+ break;
+ }
default:
CERROR("unknown magic: %lX\n", (unsigned long)lmm->lmm_magic);
rc = -EPROTO;
return rc;
}
+/**
+ * This function will be used to get default LOV/LMV/Default LMV
+ * @valid will be used to indicate which stripe it will retrieve.
+ * If the directory does not have its own default layout, then the
+ * function will request the default layout from root FID.
+ * OBD_MD_MEA LMV stripe EA
+ * OBD_MD_DEFAULT_MEA Default LMV stripe EA
+ * otherwise Default LOV EA.
+ * Each time, it can only retrieve 1 stripe EA
+ **/
+int ll_dir_getstripe_default(struct inode *inode, void **plmm, int *plmm_size,
+ struct ptlrpc_request **request,
+ struct ptlrpc_request **root_request,
+ u64 valid)
+{
+ struct ptlrpc_request *req = NULL;
+ struct ptlrpc_request *root_req = NULL;
+ struct lov_mds_md *lmm = NULL;
+ int lmm_size = 0;
+ int rc = 0;
+ ENTRY;
+
+ rc = ll_dir_get_default_layout(inode, (void **)&lmm, &lmm_size,
+ &req, valid, 0);
+ if (rc == -ENODATA && !fid_is_root(ll_inode2fid(inode)) &&
+ !(valid & (OBD_MD_MEA|OBD_MD_DEFAULT_MEA)) && root_request != NULL)
+ rc = ll_dir_get_default_layout(inode, (void **)&lmm, &lmm_size,
+ &root_req, valid,
+ GET_DEFAULT_LAYOUT_ROOT);
+
+ *plmm = lmm;
+ *plmm_size = lmm_size;
+ *request = req;
+ if (root_request != NULL)
+ *root_request = root_req;
+
+ RETURN(rc);
+}
+
+/**
+ * This function will be used to get default LOV/LMV/Default LMV
+ * @valid will be used to indicate which stripe it will retrieve
+ * OBD_MD_MEA LMV stripe EA
+ * OBD_MD_DEFAULT_MEA Default LMV stripe EA
+ * otherwise Default LOV EA.
+ * Each time, it can only retrieve 1 stripe EA
+ **/
+int ll_dir_getstripe(struct inode *inode, void **plmm, int *plmm_size,
+ struct ptlrpc_request **request, u64 valid)
+{
+ struct ptlrpc_request *req = NULL;
+ struct lov_mds_md *lmm = NULL;
+ int lmm_size = 0;
+ int rc = 0;
+ ENTRY;
+
+ rc = ll_dir_get_default_layout(inode, (void **)&lmm, &lmm_size,
+ &req, valid, 0);
+
+ *plmm = lmm;
+ *plmm_size = lmm_size;
+ *request = req;
+
+ RETURN(rc);
+}
+
int ll_get_mdt_idx_by_fid(struct ll_sb_info *sbi, const struct lu_fid *fid)
{
struct md_op_data *op_data;
}
-static int copy_and_ioctl(int cmd, struct obd_export *exp,
- const void __user *data, size_t size)
+static int copy_and_ct_start(int cmd, struct obd_export *exp,
+ const struct lustre_kernelcomm __user *data)
{
- void *copy;
+ struct lustre_kernelcomm *lk;
+ struct lustre_kernelcomm *tmp;
+ size_t size = sizeof(*lk);
+ size_t new_size;
+ int i;
int rc;
- OBD_ALLOC(copy, size);
- if (copy == NULL)
+ /* copy data from userspace to get numbers of archive_id */
+ OBD_ALLOC(lk, size);
+ if (lk == NULL)
return -ENOMEM;
- if (copy_from_user(copy, data, size)) {
- rc = -EFAULT;
- goto out;
+ if (copy_from_user(lk, data, size))
+ GOTO(out_lk, rc = -EFAULT);
+
+ if (lk->lk_flags & LK_FLG_STOP)
+ goto do_ioctl;
+
+ if (!(lk->lk_flags & LK_FLG_DATANR)) {
+ __u32 archive_mask = lk->lk_data_count;
+ int count;
+
+ /* old hsm agent to old MDS */
+ if (!exp_connect_archive_id_array(exp))
+ goto do_ioctl;
+
+ /* old hsm agent to new MDS */
+ lk->lk_flags |= LK_FLG_DATANR;
+
+ if (archive_mask == 0)
+ goto do_ioctl;
+
+ count = hweight32(archive_mask);
+ new_size = offsetof(struct lustre_kernelcomm, lk_data[count]);
+ OBD_ALLOC(tmp, new_size);
+ if (tmp == NULL)
+ GOTO(out_lk, rc = -ENOMEM);
+
+ memcpy(tmp, lk, size);
+ tmp->lk_data_count = count;
+ OBD_FREE(lk, size);
+ lk = tmp;
+ size = new_size;
+
+ count = 0;
+ for (i = 0; i < sizeof(archive_mask) * 8; i++) {
+ if ((1 << i) & archive_mask) {
+ lk->lk_data[count] = i + 1;
+ count++;
+ }
+ }
+ goto do_ioctl;
}
- rc = obd_iocontrol(cmd, exp, size, copy, NULL);
-out:
- OBD_FREE(copy, size);
+ /* new hsm agent to new mds */
+ if (lk->lk_data_count > 0) {
+ new_size = offsetof(struct lustre_kernelcomm,
+ lk_data[lk->lk_data_count]);
+ OBD_ALLOC(tmp, new_size);
+ if (tmp == NULL)
+ GOTO(out_lk, rc = -ENOMEM);
+
+ OBD_FREE(lk, size);
+ lk = tmp;
+ size = new_size;
+
+ if (copy_from_user(lk, data, size))
+ GOTO(out_lk, rc = -EFAULT);
+ }
+
+ /* new hsm agent to old MDS */
+ if (!exp_connect_archive_id_array(exp)) {
+ __u32 archives = 0;
+
+ if (lk->lk_data_count > LL_HSM_ORIGIN_MAX_ARCHIVE)
+ GOTO(out_lk, rc = -EINVAL);
+
+ for (i = 0; i < lk->lk_data_count; i++) {
+ if (lk->lk_data[i] > LL_HSM_ORIGIN_MAX_ARCHIVE) {
+ rc = -EINVAL;
+ CERROR("%s: archive id %d requested but only "
+ "[0 - %zu] supported: rc = %d\n",
+ exp->exp_obd->obd_name, lk->lk_data[i],
+ LL_HSM_ORIGIN_MAX_ARCHIVE, rc);
+ GOTO(out_lk, rc);
+ }
+ if (lk->lk_data[i] == 0) {
+ archives = 0;
+ break;
+ }
+
+ archives |= (1 << (lk->lk_data[i] - 1));
+ }
+ lk->lk_flags &= ~LK_FLG_DATANR;
+ lk->lk_data_count = archives;
+ }
+do_ioctl:
+ rc = obd_iocontrol(cmd, exp, size, lk, NULL);
+out_lk:
+ OBD_FREE(lk, size);
return rc;
}
int rc = 0;
ENTRY;
- switch (cmd) {
- case Q_SETQUOTA:
- case Q_SETINFO:
+ switch (cmd) {
+ case Q_SETQUOTA:
+ case Q_SETINFO:
+ case LUSTRE_Q_SETDEFAULT:
if (!cfs_capable(CFS_CAP_SYS_ADMIN))
RETURN(-EPERM);
break;
case Q_GETQUOTA:
+ case LUSTRE_Q_GETDEFAULT:
if (check_owner(type, id) &&
(!cfs_capable(CFS_CAP_SYS_ADMIN)))
RETURN(-EPERM);
- break;
- case Q_GETINFO:
- break;
- default:
- CERROR("unsupported quotactl op: %#x\n", cmd);
- RETURN(-ENOTTY);
- }
+ break;
+ case Q_GETINFO:
+ break;
+ default:
+ CERROR("unsupported quotactl op: %#x\n", cmd);
+ RETURN(-ENOTSUPP);
+ }
if (valid != QC_GENERAL) {
if (cmd == Q_GETINFO)
RETURN(rc);
}
+int ll_rmfid(struct file *file, void __user *arg)
+{
+ const struct fid_array __user *ufa = arg;
+ struct fid_array *lfa = NULL;
+ size_t size;
+ unsigned nr;
+ int i, rc, *rcs = NULL;
+ ENTRY;
+
+ if (!cfs_capable(CFS_CAP_DAC_READ_SEARCH) &&
+ !(ll_i2sbi(file_inode(file))->ll_flags & LL_SBI_USER_FID2PATH))
+ RETURN(-EPERM);
+ /* Only need to get the buflen */
+ if (get_user(nr, &ufa->fa_nr))
+ RETURN(-EFAULT);
+ /* DoS protection */
+ if (nr > OBD_MAX_FIDS_IN_ARRAY)
+ RETURN(-E2BIG);
+
+ size = offsetof(struct fid_array, fa_fids[nr]);
+ OBD_ALLOC(lfa, size);
+ if (!lfa)
+ RETURN(-ENOMEM);
+ OBD_ALLOC(rcs, sizeof(int) * nr);
+ if (!rcs)
+ GOTO(free_lfa, rc = -ENOMEM);
+
+ if (copy_from_user(lfa, arg, size))
+ GOTO(free_rcs, rc = -EFAULT);
+
+ /* Call mdc_iocontrol */
+ rc = md_rmfid(ll_i2mdexp(file_inode(file)), lfa, rcs, NULL);
+ if (!rc) {
+ for (i = 0; i < nr; i++)
+ if (rcs[i])
+ lfa->fa_fids[i].f_ver = rcs[i];
+ if (copy_to_user(arg, lfa, size))
+ rc = -EFAULT;
+ }
+
+free_rcs:
+ OBD_FREE(rcs, sizeof(int) * nr);
+free_lfa:
+ OBD_FREE(lfa, size);
+
+ RETURN(rc);
+}
+
/* This function tries to get a single name component,
* to send to the server. No actual path traversal involved,
* so we limit to NAME_MAX */
{
struct dentry *dentry = file_dentry(file);
struct inode *inode = file_inode(file);
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct obd_ioctl_data *data;
- int rc = 0;
- ENTRY;
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct obd_ioctl_data *data;
+ int rc = 0;
+ ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), cmd=%#x\n",
PFID(ll_inode2fid(inode)), inode, cmd);
- /* asm-ppc{,64} declares TCGETS, et. al. as type 't' not 'T' */
- if (_IOC_TYPE(cmd) == 'T' || _IOC_TYPE(cmd) == 't') /* tty ioctls */
- return -ENOTTY;
-
- ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_IOCTL, 1);
- switch(cmd) {
- case FSFILT_IOC_GETFLAGS:
- case FSFILT_IOC_SETFLAGS:
- RETURN(ll_iocontrol(inode, file, cmd, arg));
- case FSFILT_IOC_GETVERSION_OLD:
- case FSFILT_IOC_GETVERSION:
+ /* asm-ppc{,64} declares TCGETS, et. al. as type 't' not 'T' */
+ if (_IOC_TYPE(cmd) == 'T' || _IOC_TYPE(cmd) == 't') /* tty ioctls */
+ return -ENOTTY;
+
+ ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_IOCTL, 1);
+ switch (cmd) {
+ case FS_IOC_GETFLAGS:
+ case FS_IOC_SETFLAGS:
+ RETURN(ll_iocontrol(inode, file, cmd, arg));
+ case FSFILT_IOC_GETVERSION:
+ case FS_IOC_GETVERSION:
RETURN(put_user(inode->i_generation, (int __user *)arg));
- /* We need to special case any other ioctls we want to handle,
- * to send them to the MDS/OST as appropriate and to properly
- * network encode the arg field.
- case FSFILT_IOC_SETVERSION_OLD:
- case FSFILT_IOC_SETVERSION:
- */
- case LL_IOC_GET_MDTIDX: {
- int mdtidx;
-
- mdtidx = ll_get_mdt_idx(inode);
- if (mdtidx < 0)
- RETURN(mdtidx);
+ /* We need to special case any other ioctls we want to handle,
+ * to send them to the MDS/OST as appropriate and to properly
+ * network encode the arg field. */
+ case FS_IOC_SETVERSION:
+ RETURN(-ENOTSUPP);
+
+ case LL_IOC_GET_MDTIDX: {
+ int mdtidx;
+
+ mdtidx = ll_get_mdt_idx(inode);
+ if (mdtidx < 0)
+ RETURN(mdtidx);
if (put_user((int)mdtidx, (int __user *)arg))
- RETURN(-EFAULT);
+ RETURN(-EFAULT);
- return 0;
- }
- case IOC_MDC_LOOKUP: {
- int namelen, len = 0;
+ return 0;
+ }
+ case IOC_MDC_LOOKUP: {
+ int namelen, len = 0;
char *buf = NULL;
char *filename;
rc = ll_get_fid_by_name(inode, filename, namelen, NULL, NULL);
if (rc < 0) {
CERROR("%s: lookup %.*s failed: rc = %d\n",
- ll_get_fsname(inode->i_sb, NULL, 0), namelen,
- filename, rc);
+ sbi->ll_fsname, namelen, filename, rc);
GOTO(out_free, rc);
}
out_free:
lum = (struct lmv_user_md *)data->ioc_inlbuf2;
lumlen = data->ioc_inllen2;
- if (lum->lum_magic != LMV_USER_MAGIC ||
- lumlen != sizeof(*lum)) {
+ if (!lmv_magic_supported(lum->lum_magic)) {
+ CERROR("%s: wrong lum magic %x : rc = %d\n", filename,
+ lum->lum_magic, -EINVAL);
+ GOTO(lmv_out_free, rc = -EINVAL);
+ }
+
+ if ((lum->lum_magic == LMV_USER_MAGIC ||
+ lum->lum_magic == LMV_USER_MAGIC_SPECIFIC) &&
+ lumlen < sizeof(*lum)) {
+ CERROR("%s: wrong lum size %d for magic %x : rc = %d\n",
+ filename, lumlen, lum->lum_magic, -EINVAL);
+ GOTO(lmv_out_free, rc = -EINVAL);
+ }
+
+ if (lum->lum_magic == LMV_MAGIC_FOREIGN &&
+ lumlen < sizeof(struct lmv_foreign_md)) {
CERROR("%s: wrong lum magic %x or size %d: rc = %d\n",
filename, lum->lum_magic, lumlen, -EFAULT);
GOTO(lmv_out_free, rc = -EINVAL);
#else
mode = data->ioc_type;
#endif
- rc = ll_dir_setdirstripe(dentry, lum, filename, mode);
+ rc = ll_dir_setdirstripe(dentry, lum, lumlen, filename, mode);
lmv_out_free:
OBD_FREE_LARGE(buf, len);
RETURN(rc);
RETURN(rc);
}
+ case LL_IOC_LOV_SETSTRIPE_NEW:
case LL_IOC_LOV_SETSTRIPE: {
- struct lov_user_md_v3 lumv3;
- struct lov_user_md_v1 *lumv1 = (struct lov_user_md_v1 *)&lumv3;
+ struct lov_user_md_v3 *lumv3 = NULL;
+ struct lov_user_md_v1 lumv1;
+ struct lov_user_md_v1 *lumv1_ptr = &lumv1;
struct lov_user_md_v1 __user *lumv1p =
(struct lov_user_md_v1 __user *)arg;
struct lov_user_md_v3 __user *lumv3p =
(struct lov_user_md_v3 __user *)arg;
+ int lum_size = 0;
int set_default = 0;
- CLASSERT(sizeof(struct lov_user_md_v3) >
- sizeof(struct lov_comp_md_v1));
- LASSERT(sizeof(lumv3) == sizeof(*lumv3p));
- LASSERT(sizeof(lumv3.lmm_objects[0]) ==
- sizeof(lumv3p->lmm_objects[0]));
+ BUILD_BUG_ON(sizeof(struct lov_user_md_v3) <=
+ sizeof(struct lov_comp_md_v1));
+ BUILD_BUG_ON(sizeof(*lumv3) != sizeof(*lumv3p));
/* first try with v1 which is smaller than v3 */
- if (copy_from_user(lumv1, lumv1p, sizeof(*lumv1)))
- RETURN(-EFAULT);
-
- if (lumv1->lmm_magic == LOV_USER_MAGIC_V3)
- if (copy_from_user(&lumv3, lumv3p, sizeof(lumv3)))
- RETURN(-EFAULT);
+ if (copy_from_user(&lumv1, lumv1p, sizeof(lumv1)))
+ RETURN(-EFAULT);
if (inode->i_sb->s_root == file_dentry(file))
set_default = 1;
- /* in v1 and v3 cases lumv1 points to data */
- rc = ll_dir_setstripe(inode, lumv1, set_default);
+ switch (lumv1.lmm_magic) {
+ case LOV_USER_MAGIC_V3:
+ case LOV_USER_MAGIC_SPECIFIC:
+ lum_size = ll_lov_user_md_size(&lumv1);
+ if (lum_size < 0)
+ RETURN(lum_size);
+ OBD_ALLOC(lumv3, lum_size);
+ if (!lumv3)
+ RETURN(-ENOMEM);
+ if (copy_from_user(lumv3, lumv3p, lum_size))
+ GOTO(out, rc = -EFAULT);
+ lumv1_ptr = (struct lov_user_md_v1 *)lumv3;
+ break;
+ case LOV_USER_MAGIC_V1:
+ break;
+ default:
+ GOTO(out, rc = -ENOTSUPP);
+ }
+ /* in v1 and v3 cases lumv1 points to data */
+ rc = ll_dir_setstripe(inode, lumv1_ptr, set_default);
+out:
+ if (lumv3)
+ OBD_FREE(lumv3, lum_size);
RETURN(rc);
}
case LL_IOC_LMV_GETSTRIPE: {
(struct lmv_user_md __user *)arg;
struct lmv_user_md lum;
struct ptlrpc_request *request = NULL;
+ struct ptlrpc_request *root_request = NULL;
union lmv_mds_md *lmm = NULL;
int lmmsize;
u64 valid = 0;
else
RETURN(-EINVAL);
- rc = ll_dir_getstripe(inode, (void **)&lmm, &lmmsize, &request,
- valid);
+ rc = ll_dir_getstripe_default(inode, (void **)&lmm, &lmmsize,
+ &request, &root_request, valid);
if (rc != 0)
GOTO(finish_req, rc);
GOTO(finish_req, rc);
}
- stripe_count = lmv_mds_md_stripe_count_get(lmm);
+ /* if foreign LMV case, fake stripes number */
+ if (lmm->lmv_magic == LMV_MAGIC_FOREIGN) {
+ struct lmv_foreign_md *lfm;
+
+ lfm = (struct lmv_foreign_md *)lmm;
+ if (lfm->lfm_length < XATTR_SIZE_MAX -
+ offsetof(typeof(*lfm), lfm_value)) {
+ __u32 size = lfm->lfm_length +
+ offsetof(typeof(*lfm), lfm_value);
+
+ stripe_count = lmv_foreign_to_md_stripes(size);
+ } else {
+ CERROR("invalid %d foreign size returned\n",
+ lfm->lfm_length);
+ return -EINVAL;
+ }
+ } else {
+ stripe_count = lmv_mds_md_stripe_count_get(lmm);
+ }
if (max_stripe_count < stripe_count) {
lum.lum_stripe_count = stripe_count;
if (copy_to_user(ulmv, &lum, sizeof(lum)))
GOTO(finish_req, rc = -E2BIG);
}
- lum_size = lmv_user_md_size(stripe_count, LMV_MAGIC_V1);
+ /* enough room on user side and foreign case */
+ if (lmm->lmv_magic == LMV_MAGIC_FOREIGN) {
+ struct lmv_foreign_md *lfm;
+ __u32 size;
+
+ lfm = (struct lmv_foreign_md *)lmm;
+ size = lfm->lfm_length +
+ offsetof(struct lmv_foreign_md, lfm_value);
+ if (copy_to_user(ulmv, lfm, size))
+ GOTO(finish_req, rc = -EFAULT);
+ GOTO(finish_req, rc);
+ }
+
+ lum_size = lmv_user_md_size(stripe_count,
+ LMV_USER_MAGIC_SPECIFIC);
OBD_ALLOC(tmp, lum_size);
if (tmp == NULL)
GOTO(finish_req, rc = -ENOMEM);
struct lu_fid fid;
fid_le_to_cpu(&fid, &lmm->lmv_md_v1.lmv_stripe_fids[i]);
- mdt_index = ll_get_mdt_idx_by_fid(sbi, &fid);
- if (mdt_index < 0)
- GOTO(out_tmp, rc = mdt_index);
+ if (fid_is_sane(&fid)) {
+ mdt_index = ll_get_mdt_idx_by_fid(sbi, &fid);
+ if (mdt_index < 0)
+ GOTO(out_tmp, rc = mdt_index);
+
+ tmp->lum_objects[i].lum_mds = mdt_index;
+ tmp->lum_objects[i].lum_fid = fid;
+ }
- tmp->lum_objects[i].lum_mds = mdt_index;
- tmp->lum_objects[i].lum_fid = fid;
tmp->lum_stripe_count++;
}
OBD_FREE(tmp, lum_size);
finish_req:
ptlrpc_req_finished(request);
+ ptlrpc_req_finished(root_request);
return rc;
}
ll_putname(filename);
RETURN(rc);
}
+ case LL_IOC_RMFID:
+ RETURN(ll_rmfid(file, (void __user *)arg));
case LL_IOC_LOV_SWAP_LAYOUTS:
RETURN(-EPERM);
case IOC_OBD_STATFS:
RETURN(ll_obd_statfs(inode, (void __user *)arg));
- case LL_IOC_LOV_GETSTRIPE:
- case LL_IOC_MDC_GETINFO:
- case IOC_MDC_GETFILEINFO:
- case IOC_MDC_GETFILESTRIPE: {
- struct ptlrpc_request *request = NULL;
+ case LL_IOC_LOV_GETSTRIPE:
+ case LL_IOC_LOV_GETSTRIPE_NEW:
+ case LL_IOC_MDC_GETINFO:
+ case LL_IOC_MDC_GETINFO_OLD:
+ case IOC_MDC_GETFILEINFO:
+ case IOC_MDC_GETFILEINFO_OLD:
+ case IOC_MDC_GETFILESTRIPE: {
+ struct ptlrpc_request *request = NULL;
+ struct ptlrpc_request *root_request = NULL;
struct lov_user_md __user *lump;
- struct lov_mds_md *lmm = NULL;
- struct mdt_body *body;
- char *filename = NULL;
- int lmmsize;
-
- if (cmd == IOC_MDC_GETFILEINFO ||
- cmd == IOC_MDC_GETFILESTRIPE) {
+ struct lov_mds_md *lmm = NULL;
+ struct mdt_body *body;
+ char *filename = NULL;
+ lstat_t __user *statp = NULL;
+ lstatx_t __user *stxp = NULL;
+ __u64 __user *flagsp = NULL;
+ __u32 __user *lmmsizep = NULL;
+ struct lu_fid __user *fidp = NULL;
+ int lmmsize;
+
+ if (cmd == IOC_MDC_GETFILEINFO_OLD ||
+ cmd == IOC_MDC_GETFILEINFO ||
+ cmd == IOC_MDC_GETFILESTRIPE) {
filename = ll_getname((const char __user *)arg);
- if (IS_ERR(filename))
- RETURN(PTR_ERR(filename));
+ if (IS_ERR(filename))
+ RETURN(PTR_ERR(filename));
- rc = ll_lov_getstripe_ea_info(inode, filename, &lmm,
- &lmmsize, &request);
+ rc = ll_lov_getstripe_ea_info(inode, filename, &lmm,
+ &lmmsize, &request);
} else {
- rc = ll_dir_getstripe(inode, (void **)&lmm, &lmmsize,
- &request, 0);
+ rc = ll_dir_getstripe_default(inode, (void **)&lmm,
+ &lmmsize, &request,
+ &root_request, 0);
}
- if (request) {
- body = req_capsule_server_get(&request->rq_pill,
- &RMF_MDT_BODY);
- LASSERT(body != NULL);
- } else {
- GOTO(out_req, rc);
- }
+ if (request) {
+ body = req_capsule_server_get(&request->rq_pill,
+ &RMF_MDT_BODY);
+ LASSERT(body != NULL);
+ } else {
+ GOTO(out_req, rc);
+ }
- if (rc < 0) {
- if (rc == -ENODATA && (cmd == IOC_MDC_GETFILEINFO ||
- cmd == LL_IOC_MDC_GETINFO))
- GOTO(skip_lmm, rc = 0);
- else
- GOTO(out_req, rc);
- }
+ if (rc == -ENODATA && (cmd == IOC_MDC_GETFILEINFO ||
+ cmd == LL_IOC_MDC_GETINFO ||
+ cmd == IOC_MDC_GETFILEINFO_OLD ||
+ cmd == LL_IOC_MDC_GETINFO_OLD)) {
+ lmmsize = 0;
+ rc = 0;
+ }
- if (cmd == IOC_MDC_GETFILESTRIPE ||
- cmd == LL_IOC_LOV_GETSTRIPE) {
+ if (rc < 0)
+ GOTO(out_req, rc);
+
+ if (cmd == IOC_MDC_GETFILESTRIPE ||
+ cmd == LL_IOC_LOV_GETSTRIPE ||
+ cmd == LL_IOC_LOV_GETSTRIPE_NEW) {
lump = (struct lov_user_md __user *)arg;
- } else {
+ } else if (cmd == IOC_MDC_GETFILEINFO_OLD ||
+ cmd == LL_IOC_MDC_GETINFO_OLD){
+ struct lov_user_mds_data_v1 __user *lmdp;
+
+ lmdp = (struct lov_user_mds_data_v1 __user *)arg;
+ statp = &lmdp->lmd_st;
+ lump = &lmdp->lmd_lmm;
+ } else {
struct lov_user_mds_data __user *lmdp;
+
lmdp = (struct lov_user_mds_data __user *)arg;
- lump = &lmdp->lmd_lmm;
- }
- if (copy_to_user(lump, lmm, lmmsize)) {
+ fidp = &lmdp->lmd_fid;
+ stxp = &lmdp->lmd_stx;
+ flagsp = &lmdp->lmd_flags;
+ lmmsizep = &lmdp->lmd_lmmsize;
+ lump = &lmdp->lmd_lmm;
+ }
+
+ if (lmmsize == 0) {
+ /* If the file has no striping then zero out *lump so
+ * that the caller isn't confused by garbage. */
+ if (clear_user(lump, sizeof(*lump)))
+ GOTO(out_req, rc = -EFAULT);
+ } else if (copy_to_user(lump, lmm, lmmsize)) {
if (copy_to_user(lump, lmm, sizeof(*lump)))
- GOTO(out_req, rc = -EFAULT);
- rc = -EOVERFLOW;
- }
- skip_lmm:
- if (cmd == IOC_MDC_GETFILEINFO || cmd == LL_IOC_MDC_GETINFO) {
- struct lov_user_mds_data __user *lmdp;
- lstat_t st = { 0 };
+ GOTO(out_req, rc = -EFAULT);
+ rc = -EOVERFLOW;
+ }
+
+ if (cmd == IOC_MDC_GETFILEINFO_OLD ||
+ cmd == LL_IOC_MDC_GETINFO_OLD) {
+ lstat_t st = { 0 };
st.st_dev = inode->i_sb->s_dev;
st.st_mode = body->mbo_mode;
sbi->ll_flags &
LL_SBI_32BIT_API);
- lmdp = (struct lov_user_mds_data __user *)arg;
- if (copy_to_user(&lmdp->lmd_st, &st, sizeof(st)))
- GOTO(out_req, rc = -EFAULT);
- }
+ if (copy_to_user(statp, &st, sizeof(st)))
+ GOTO(out_req, rc = -EFAULT);
+ } else if (cmd == IOC_MDC_GETFILEINFO ||
+ cmd == LL_IOC_MDC_GETINFO) {
+ lstatx_t stx = { 0 };
+ __u64 valid = body->mbo_valid;
+
+ stx.stx_blksize = PAGE_SIZE;
+ stx.stx_nlink = body->mbo_nlink;
+ stx.stx_uid = body->mbo_uid;
+ stx.stx_gid = body->mbo_gid;
+ stx.stx_mode = body->mbo_mode;
+ stx.stx_ino = cl_fid_build_ino(&body->mbo_fid1,
+ sbi->ll_flags &
+ LL_SBI_32BIT_API);
+ stx.stx_size = body->mbo_size;
+ stx.stx_blocks = body->mbo_blocks;
+ stx.stx_atime.tv_sec = body->mbo_atime;
+ stx.stx_ctime.tv_sec = body->mbo_ctime;
+ stx.stx_mtime.tv_sec = body->mbo_mtime;
+ stx.stx_rdev_major = MAJOR(body->mbo_rdev);
+ stx.stx_rdev_minor = MINOR(body->mbo_rdev);
+ stx.stx_dev_major = MAJOR(inode->i_sb->s_dev);
+ stx.stx_dev_minor = MINOR(inode->i_sb->s_dev);
+ stx.stx_mask |= STATX_BASIC_STATS;
- EXIT;
- out_req:
- ptlrpc_req_finished(request);
- if (filename)
- ll_putname(filename);
- return rc;
- }
+ /*
+ * For a striped directory, the size and blocks returned
+ * from MDT is not correct.
+ * The size and blocks are aggregated by client across
+ * all stripes.
+ * Thus for a striped directory, do not return the valid
+ * FLSIZE and FLBLOCKS flags to the caller.
+ * However, this whould be better decided by the MDS
+ * instead of the client.
+ */
+ if (cmd == LL_IOC_MDC_GETINFO &&
+ ll_i2info(inode)->lli_lsm_md != NULL)
+ valid &= ~(OBD_MD_FLSIZE | OBD_MD_FLBLOCKS);
+
+ if (flagsp && copy_to_user(flagsp, &valid,
+ sizeof(*flagsp)))
+ GOTO(out_req, rc = -EFAULT);
+
+ if (fidp && copy_to_user(fidp, &body->mbo_fid1,
+ sizeof(*fidp)))
+ GOTO(out_req, rc = -EFAULT);
+
+ if (!(valid & OBD_MD_FLSIZE))
+ stx.stx_mask &= ~STATX_SIZE;
+ if (!(valid & OBD_MD_FLBLOCKS))
+ stx.stx_mask &= ~STATX_BLOCKS;
+
+ if (stxp && copy_to_user(stxp, &stx, sizeof(stx)))
+ GOTO(out_req, rc = -EFAULT);
+
+ if (lmmsizep && copy_to_user(lmmsizep, &lmmsize,
+ sizeof(*lmmsizep)))
+ GOTO(out_req, rc = -EFAULT);
+ }
+
+ EXIT;
+out_req:
+ ptlrpc_req_finished(request);
+ ptlrpc_req_finished(root_request);
+ if (filename)
+ ll_putname(filename);
+ return rc;
+ }
case OBD_IOC_QUOTACTL: {
struct if_quotactl *qctl;
if (!cfs_capable(CFS_CAP_SYS_ADMIN))
RETURN(-EPERM);
- rc = copy_and_ioctl(cmd, sbi->ll_md_exp, (void __user *)arg,
- sizeof(struct lustre_kernelcomm));
+ rc = copy_and_ct_start(cmd, sbi->ll_md_exp,
+ (struct lustre_kernelcomm __user *)arg);
RETURN(rc);
case LL_IOC_HSM_COPY_START: {
RETURN(rc);
}
case LL_IOC_MIGRATE: {
- char *buf = NULL;
- const char *filename;
- int namelen = 0;
- int len;
- int rc;
- int mdtidx;
+ struct lmv_user_md *lum;
+ char *buf = NULL;
+ int len;
+ char *filename;
+ int namelen = 0;
+ int rc;
rc = obd_ioctl_getdata(&buf, &len, (void __user *)arg);
- if (rc < 0)
+ if (rc)
RETURN(rc);
data = (struct obd_ioctl_data *)buf;
filename = data->ioc_inlbuf1;
namelen = data->ioc_inllen1;
- /* \0 is packed at the end of filename */
- if (namelen < 1 || namelen != strlen(filename) + 1)
- GOTO(migrate_free, rc = -EINVAL);
- if (data->ioc_inllen2 != sizeof(mdtidx))
+ if (namelen < 1 || namelen != strlen(filename) + 1) {
+ CDEBUG(D_INFO, "IOC_MDC_LOOKUP missing filename\n");
GOTO(migrate_free, rc = -EINVAL);
- mdtidx = *(int *)data->ioc_inlbuf2;
+ }
- rc = ll_migrate(inode, file, mdtidx, filename, namelen - 1);
+ lum = (struct lmv_user_md *)data->ioc_inlbuf2;
+ if (lum->lum_magic != LMV_USER_MAGIC &&
+ lum->lum_magic != LMV_USER_MAGIC_SPECIFIC) {
+ rc = -EINVAL;
+ CERROR("%s: wrong lum magic %x: rc = %d\n",
+ filename, lum->lum_magic, rc);
+ GOTO(migrate_free, rc);
+ }
+
+ rc = ll_migrate(inode, file, lum, filename);
migrate_free:
OBD_FREE_LARGE(buf, len);
RETURN(ll_ioctl_fsgetxattr(inode, cmd, arg));
case LL_IOC_FSSETXATTR:
RETURN(ll_ioctl_fssetxattr(inode, cmd, arg));
+ case LL_IOC_PCC_DETACH_BY_FID: {
+ struct lu_pcc_detach_fid *detach;
+ struct lu_fid *fid;
+ struct inode *inode2;
+ unsigned long ino;
+
+ OBD_ALLOC_PTR(detach);
+ if (detach == NULL)
+ RETURN(-ENOMEM);
+
+ if (copy_from_user(detach,
+ (const struct lu_pcc_detach_fid __user *)arg,
+ sizeof(*detach)))
+ GOTO(out_detach, rc = -EFAULT);
+
+ fid = &detach->pccd_fid;
+ ino = cl_fid_build_ino(fid, ll_need_32bit_api(sbi));
+ inode2 = ilookup5(inode->i_sb, ino, ll_test_inode_by_fid, fid);
+ if (inode2 == NULL)
+ /* Target inode is not in inode cache, and PCC file
+ * has aleady released, return immdiately.
+ */
+ GOTO(out_detach, rc = 0);
+
+ if (!S_ISREG(inode2->i_mode))
+ GOTO(out_iput, rc = -EINVAL);
+
+ if (!inode_owner_or_capable(inode2))
+ GOTO(out_iput, rc = -EPERM);
+
+ rc = pcc_ioctl_detach(inode2, detach->pccd_opt);
+out_iput:
+ iput(inode2);
+out_detach:
+ OBD_FREE_PTR(detach);
+ RETURN(rc);
+ }
default:
RETURN(obd_iocontrol(cmd, sbi->ll_dt_exp, 0, NULL,
(void __user *)arg));
.release = ll_dir_release,
.read = generic_read_dir,
#ifdef HAVE_DIR_CONTEXT
- .iterate = ll_iterate,
+ .iterate_shared = ll_iterate,
#else
.readdir = ll_readdir,
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff