*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*
* lustre/llite/dir.c
*
#include <linux/version.h>
#include <linux/security.h>
#include <linux/user_namespace.h>
-#ifdef HAVE_UIDGID_HEADER
-# include <linux/uidgid.h>
-#endif
+#include <linux/uidgid.h>
#include <linux/uaccess.h>
#include <linux/buffer_head.h> // for wait_on_buffer
#include <linux/pagevec.h>
#include <lustre_fid.h>
#include <lustre_kernelcomm.h>
#include <lustre_swab.h>
+#include <libcfs/libcfs_crypto.h>
#include "llite_internal.h"
* returned page, page hash collision has to be handled. Pages in the
* hash chain, except first one, are termed "overflow pages".
*
- * Solution to index uniqueness problem is to not cache overflow
- * pages. Instead, when page hash collision is detected, all overflow pages
- * from emerging chain are immediately requested from the server and placed in
- * a special data structure (struct ll_dir_chain). This data structure is used
- * by ll_readdir() to process entries from overflow pages. When readdir
- * invocation finishes, overflow pages are discarded. If page hash collision
- * chain weren't completely processed, next call to readdir will again detect
- * page hash collision, again read overflow pages in, process next portion of
- * entries and again discard the pages. This is not as wasteful as it looks,
- * because, given reasonable hash, page hash collisions are extremely rare.
+ * Proposed (unimplimented) solution to index uniqueness problem is to
+ * not cache overflow pages. Instead, when page hash collision is
+ * detected, all overflow pages from emerging chain should be
+ * immediately requested from the server and placed in a special data
+ * structure. This data structure can be used by ll_readdir() to
+ * process entries from overflow pages. When readdir invocation
+ * finishes, overflow pages are discarded. If page hash collision chain
+ * weren't completely processed, next call to readdir will again detect
+ * page hash collision, again read overflow pages in, process next
+ * portion of entries and again discard the pages. This is not as
+ * wasteful as it looks, because, given reasonable hash, page hash
+ * collisions are extremely rare.
*
* 1. directory positioning
*
*
*/
struct page *ll_get_dir_page(struct inode *dir, struct md_op_data *op_data,
- __u64 offset, struct ll_dir_chain *chain)
+ __u64 offset, int *partial_readdir_rc)
{
- struct md_callback cb_op;
- struct page *page;
- int rc;
+ struct md_readdir_info mrinfo = {
+ .mr_blocking_ast = ll_md_blocking_ast };
+ struct page *page;
+ int rc;
- cb_op.md_blocking_ast = ll_md_blocking_ast;
- rc = md_read_page(ll_i2mdexp(dir), op_data, &cb_op, offset, &page);
+ rc = md_read_page(ll_i2mdexp(dir), op_data, &mrinfo, offset, &page);
if (rc != 0)
return ERR_PTR(rc);
+ if (partial_readdir_rc && mrinfo.mr_partial_readdir_rc)
+ *partial_readdir_rc = mrinfo.mr_partial_readdir_rc;
+
return page;
}
/* 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 && S_ISDIR(inode->i_mode) &&
+ lmv_dir_striped(ll_i2info(inode)->lli_lsm_md)) {
__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);
}
-/**
- * return IF_* type for given lu_dirent entry.
- * IF_* flag shld be converted to particular OS file type in
- * platform llite module.
- */
-static u16 ll_dirent_type_get(struct lu_dirent *ent)
-{
- u16 type = 0;
- struct luda_type *lt;
- int len = 0;
-
- if (le32_to_cpu(ent->lde_attrs) & LUDA_TYPE) {
- const unsigned align = sizeof(struct luda_type) - 1;
-
- len = le16_to_cpu(ent->lde_namelen);
- len = (len + align) & ~align;
- lt = (void *)ent->lde_name + len;
- type = IFTODT(le16_to_cpu(lt->lt_type));
- }
-
- return type;
-}
-
#ifdef HAVE_DIR_CONTEXT
int ll_dir_read(struct inode *inode, __u64 *ppos, struct md_op_data *op_data,
- struct dir_context *ctx)
+ struct dir_context *ctx, int *partial_readdir_rc)
{
#else
int ll_dir_read(struct inode *inode, __u64 *ppos, struct md_op_data *op_data,
- void *cookie, filldir_t filldir)
+ void *cookie, filldir_t filldir, int *partial_readdir_rc)
{
#endif
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- __u64 pos = *ppos;
- bool is_api32 = ll_need_32bit_api(sbi);
- bool is_hash64 = sbi->ll_flags & LL_SBI_64BIT_HASH;
- struct page *page;
- struct ll_dir_chain chain;
- bool done = false;
- int rc = 0;
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ __u64 pos = *ppos;
+ bool is_api32 = ll_need_32bit_api(sbi);
+ bool is_hash64 = test_bit(LL_SBI_64BIT_HASH, sbi->ll_flags);
+ struct page *page;
+ bool done = false;
+ struct llcrypt_str lltr = LLTR_INIT(NULL, 0);
+ int rc = 0;
ENTRY;
- ll_dir_chain_init(&chain);
+ if (IS_ENCRYPTED(inode)) {
+ rc = llcrypt_fname_alloc_buffer(inode, NAME_MAX, &lltr);
+ if (rc < 0)
+ RETURN(rc);
+ }
- page = ll_get_dir_page(inode, op_data, pos, &chain);
+ page = ll_get_dir_page(inode, op_data, pos, partial_readdir_rc);
while (rc == 0 && !done) {
struct lu_dirpage *dp;
lhash = hash;
fid_le_to_cpu(&fid, &ent->lde_fid);
ino = cl_fid_build_ino(&fid, is_api32);
- type = ll_dirent_type_get(ent);
+ type = S_DT(lu_dirent_type_get(ent));
/* For ll_nfs_get_name_filldir(), it will try to access
* 'ent' through 'lde_name', so the parameter 'name'
* for 'filldir()' must be part of the 'ent'. */
#ifdef HAVE_DIR_CONTEXT
ctx->pos = lhash;
- done = !dir_emit(ctx, ent->lde_name, namelen, ino,
- type);
+ if (!IS_ENCRYPTED(inode)) {
+ done = !dir_emit(ctx, ent->lde_name, namelen,
+ ino, type);
+ } else {
+ /* Directory is encrypted */
+ int save_len = lltr.len;
+ struct llcrypt_str de_name =
+ LLTR_INIT(ent->lde_name, namelen);
+
+ rc = ll_fname_disk_to_usr(inode, 0, 0, &de_name,
+ &lltr, &fid);
+ de_name = lltr;
+ lltr.len = save_len;
+ if (rc) {
+ done = 1;
+ break;
+ }
+ done = !dir_emit(ctx, de_name.name, de_name.len,
+ ino, type);
+ }
#else
+ /* HAVE_DIR_CONTEXT is defined from kernel 3.11, whereas
+ * IS_ENCRYPTED is brought by kernel 4.14.
+ * So there is no need to handle encryption case here.
+ */
done = filldir(cookie, ent->lde_name, namelen, lhash,
ino, type);
#endif
LDF_COLLIDE);
next = pos;
page = ll_get_dir_page(inode, op_data, pos,
- &chain);
+ partial_readdir_rc);
}
}
#ifdef HAVE_DIR_CONTEXT
#else
*ppos = pos;
#endif
- ll_dir_chain_fini(&chain);
+ llcrypt_fname_free_buffer(&lltr);
RETURN(rc);
}
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;
- struct lu_fid pfid = { 0 };
- __u64 pos;
- int rc;
+ struct inode *inode = file_inode(filp);
+ struct ll_file_data *lfd = filp->private_data;
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ bool hash64 = test_bit(LL_SBI_64BIT_HASH, sbi->ll_flags);
+ int api32 = ll_need_32bit_api(sbi);
+ struct md_op_data *op_data;
+ struct lu_fid pfid = { 0 };
+ ktime_t kstart = ktime_get();
+ /* result of possible partial readdir */
+ int partial_readdir_rc = 0;
+ __u64 pos;
+ int rc;
+
ENTRY;
- if (lfd != NULL)
- pos = lfd->lfd_pos;
- else
- pos = 0;
+ LASSERT(lfd != NULL);
+ pos = lfd->lfd_pos;
- CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) pos/size"
- "%lu/%llu 32bit_api %d\n", PFID(ll_inode2fid(inode)),
+ CDEBUG(D_VFSTRACE,
+ "VFS Op:inode="DFID"(%p) pos/size%lu/%llu 32bit_api %d\n",
+ PFID(ll_inode2fid(inode)),
inode, (unsigned long)pos, i_size_read(inode), api32);
+ if (IS_ENCRYPTED(inode)) {
+ rc = llcrypt_get_encryption_info(inode);
+ if (rc && rc != -ENOKEY)
+ GOTO(out, rc);
+ }
+
if (pos == MDS_DIR_END_OFF)
/*
* end-of-file.
*/
GOTO(out, rc = 0);
- if (unlikely(ll_i2info(inode)->lli_lsm_md != NULL)) {
+ if (unlikely(ll_dir_striped(inode))) {
/*
* This is only needed for striped dir to fill ..,
* see lmv_read_page()
#ifdef HAVE_DIR_CONTEXT
ctx->pos = pos;
- rc = ll_dir_read(inode, &pos, op_data, ctx);
+ rc = ll_dir_read(inode, &pos, op_data, ctx, &partial_readdir_rc);
pos = ctx->pos;
#else
- rc = ll_dir_read(inode, &pos, op_data, cookie, filldir);
+ rc = ll_dir_read(inode, &pos, op_data, cookie, filldir,
+ &partial_readdir_rc);
#endif
- if (lfd != NULL)
- lfd->lfd_pos = pos;
+ lfd->lfd_pos = pos;
+ if (!lfd->fd_partial_readdir_rc)
+ lfd->fd_partial_readdir_rc = partial_readdir_rc;
if (pos == MDS_DIR_END_OFF) {
if (api32)
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);
}
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 13, 53, 0)
-static int ll_send_mgc_param(struct obd_export *mgc, char *string)
-{
- struct mgs_send_param *msp;
- int rc = 0;
-
- OBD_ALLOC_PTR(msp);
- if (!msp)
- return -ENOMEM;
-
- strlcpy(msp->mgs_param, string, sizeof(msp->mgs_param));
- rc = obd_set_info_async(NULL, mgc, sizeof(KEY_SET_INFO), KEY_SET_INFO,
- sizeof(struct mgs_send_param), msp, NULL);
- if (rc)
- CERROR("Failed to set parameter: %d\n", rc);
- OBD_FREE_PTR(msp);
-
- return rc;
-}
-#endif
-
/**
* Create striped directory with specified stripe(@lump)
*
* <0 if the creation is failed.
*/
static int ll_dir_setdirstripe(struct dentry *dparent, struct lmv_user_md *lump,
- size_t len, const char *dirname, umode_t mode)
+ size_t len, const char *dirname, umode_t mode,
+ bool createonly)
{
struct inode *parent = dparent->d_inode;
struct ptlrpc_request *request = NULL;
strlen(dirname)),
},
};
+ bool encrypt = false;
+ int hash_flags;
int err;
- ENTRY;
- if (unlikely(!lmv_magic_supported(lump->lum_magic)))
+ ENTRY;
+ if (unlikely(!lmv_user_magic_supported(lump->lum_magic)))
RETURN(-EINVAL);
if (lump->lum_magic != LMV_MAGIC_FOREIGN) {
CDEBUG(D_VFSTRACE,
- "VFS Op:inode="DFID"(%p) name %s stripe_offset %d, stripe_count: %u\n",
+ "VFS Op:inode="DFID"(%p) name=%s stripe_offset=%d stripe_count=%u, hash_type=%x\n",
PFID(ll_inode2fid(parent)), parent, dirname,
- (int)lump->lum_stripe_offset, lump->lum_stripe_count);
+ (int)lump->lum_stripe_offset, lump->lum_stripe_count,
+ lump->lum_hash_type);
} else {
struct lmv_foreign_md *lfm = (struct lmv_foreign_md *)lump;
!OBD_FAIL_CHECK(OBD_FAIL_LLITE_NO_CHECK_DEAD))
RETURN(-ENOENT);
- if (unlikely(!lmv_magic_supported(cpu_to_le32(lump->lum_magic))))
+ /* MDS < 2.14 doesn't support 'crush' hash type, and cannot handle
+ * unknown hash if client doesn't set a valid one. switch to fnv_1a_64.
+ */
+ if (CFS_FAIL_CHECK(OBD_FAIL_LMV_UNKNOWN_STRIPE)) {
+ lump->lum_hash_type = cfs_fail_val;
+ } else if (!(exp_connect_flags2(sbi->ll_md_exp) & OBD_CONNECT2_CRUSH)) {
+ enum lmv_hash_type type = lump->lum_hash_type &
+ LMV_HASH_TYPE_MASK;
+
+ if (type >= LMV_HASH_TYPE_CRUSH ||
+ type == LMV_HASH_TYPE_UNKNOWN)
+ lump->lum_hash_type = (lump->lum_hash_type ^ type) |
+ LMV_HASH_TYPE_FNV_1A_64;
+ }
+
+ hash_flags = lump->lum_hash_type & ~LMV_HASH_TYPE_MASK;
+ if (hash_flags & ~LMV_HASH_FLAG_KNOWN)
+ RETURN(-EINVAL);
+
+ if (unlikely(!lmv_user_magic_supported(cpu_to_le32(lump->lum_magic))))
lustre_swab_lmv_user_md(lump);
if (!IS_POSIXACL(parent) || !exp_connect_umask(ll_i2mdexp(parent)))
if (IS_ERR(op_data))
RETURN(PTR_ERR(op_data));
- if (sbi->ll_flags & LL_SBI_FILE_SECCTX) {
+ op_data->op_dir_depth = ll_i2info(parent)->lli_dir_depth;
+
+ if (ll_sbi_has_encrypt(sbi) &&
+ (IS_ENCRYPTED(parent) ||
+ unlikely(ll_sb_has_test_dummy_encryption(parent->i_sb)))) {
+ err = llcrypt_get_encryption_info(parent);
+ if (err)
+ GOTO(out_op_data, err);
+ if (!llcrypt_has_encryption_key(parent))
+ GOTO(out_op_data, err = -ENOKEY);
+ encrypt = true;
+ }
+
+ if (test_bit(LL_SBI_FILE_SECCTX, sbi->ll_flags)) {
/* selinux_dentry_init_security() uses dentry->d_parent and name
* to determine the security context for the file. So our fake
* dentry should be real enough for this purpose. */
GOTO(out_op_data, err);
}
+ if (encrypt) {
+ err = llcrypt_inherit_context(parent, NULL, op_data, false);
+ if (err)
+ GOTO(out_op_data, err);
+ }
+
op_data->op_cli_flags |= CLI_SET_MEA;
+ if (createonly)
+ op_data->op_bias |= MDS_SETSTRIPE_CREATE;
+
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);
+ current_cap(), 0, &request);
if (err)
GOTO(out_request, err);
CFS_FAIL_TIMEOUT(OBD_FAIL_LLITE_SETDIRSTRIPE_PAUSE, cfs_fail_val);
- err = ll_prep_inode(&inode, request, parent->i_sb, NULL);
+ err = ll_prep_inode(&inode, &request->rq_pill, parent->i_sb, NULL);
if (err)
GOTO(out_inode, err);
dentry.d_inode = inode;
- if (sbi->ll_flags & LL_SBI_FILE_SECCTX) {
- inode_lock(inode);
+ if (test_bit(LL_SBI_FILE_SECCTX, sbi->ll_flags)) {
+ /* no need to protect selinux_inode_setsecurity() by
+ * inode_lock. Taking it would lead to a client deadlock
+ * LU-13617
+ */
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 (encrypt) {
+ err = ll_set_encflags(inode, op_data->op_file_encctx,
+ op_data->op_file_encctx_size, false);
+ if (err)
+ GOTO(out_inode, err);
+ }
+
out_inode:
- if (inode != NULL)
- iput(inode);
+ iput(inode);
out_request:
ptlrpc_req_finished(request);
out_op_data:
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;
-#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;
-#endif
- int lum_size;
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct md_op_data *op_data;
+ struct ptlrpc_request *req = NULL;
+ int rc = 0;
+ 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 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);
+ struct lmv_user_md *lmv = (struct lmv_user_md *)lump;
+
+ /* MDS < 2.14 doesn't support 'crush' hash type, and
+ * cannot handle unknown hash if client doesn't set a
+ * valid one. switch to fnv_1a_64.
+ */
+ if (!(exp_connect_flags2(sbi->ll_md_exp) &
+ OBD_CONNECT2_CRUSH)) {
+ enum lmv_hash_type type = lmv->lum_hash_type &
+ LMV_HASH_TYPE_MASK;
+
+ if (type >= LMV_HASH_TYPE_CRUSH ||
+ type == LMV_HASH_TYPE_UNKNOWN)
+ lmv->lum_hash_type =
+ (lmv->lum_hash_type ^ type) |
+ LMV_HASH_TYPE_FNV_1A_64;
+ }
+ if (lmv->lum_magic != cpu_to_le32(LMV_USER_MAGIC))
+ lustre_swab_lmv_user_md(lmv);
+ lum_size = sizeof(*lmv);
break;
}
case LOV_USER_MAGIC_SPECIFIC: {
struct lov_user_md_v3 *v3 =
- (struct lov_user_md_v3 *)lump;
+ (struct lov_user_md_v3 *)lump;
if (v3->lmm_stripe_count > LOV_MAX_STRIPE_COUNT)
RETURN(-EINVAL);
- if (lump->lmm_magic !=
- cpu_to_le32(LOV_USER_MAGIC_SPECIFIC)) {
- lustre_swab_lov_user_md_v3(v3);
- lustre_swab_lov_user_md_objects(v3->lmm_objects,
- v3->lmm_stripe_count);
- }
lum_size = lov_user_md_size(v3->lmm_stripe_count,
LOV_USER_MAGIC_SPECIFIC);
break;
}
- default: {
+ 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);
if (rc)
RETURN(rc);
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 13, 53, 0)
- /*
- * 2.9 server has stored filesystem default stripe in ROOT xattr,
- * and it's stored into system config for backward compatibility.
- *
- * In the following we use the fact that LOV_USER_MAGIC_V1 and
- * LOV_USER_MAGIC_V3 have the same initial fields so we do not
- * need the make the distiction between the 2 versions
- */
- if (set_default && mgc->u.cli.cl_mgc_mgsexp &&
- (lump == NULL ||
- le32_to_cpu(lump->lmm_magic) == LOV_USER_MAGIC_V1 ||
- le32_to_cpu(lump->lmm_magic) == LOV_USER_MAGIC_V3)) {
- char *param = NULL;
- char *buf;
-
- OBD_ALLOC(param, MGS_PARAM_MAXLEN);
- if (param == NULL)
- GOTO(end, rc = -ENOMEM);
-
- buf = param;
- /* Get fsname and assume devname to be -MDT0000. */
- snprintf(buf, MGS_PARAM_MAXLEN, "%s-MDT0000.lov",
- sbi->ll_fsname);
- buf += strlen(buf);
-
- /* Set root stripesize */
- snprintf(buf, MGS_PARAM_MAXLEN, ".stripesize=%u",
- lump ? le32_to_cpu(lump->lmm_stripe_size) : 0);
- rc = ll_send_mgc_param(mgc->u.cli.cl_mgc_mgsexp, param);
- if (rc)
- GOTO(end, rc);
-
- /* Set root stripecount */
- snprintf(buf, MGS_PARAM_MAXLEN, ".stripecount=%hd",
- lump ? le16_to_cpu(lump->lmm_stripe_count) : 0);
- rc = ll_send_mgc_param(mgc->u.cli.cl_mgc_mgsexp, param);
- if (rc)
- GOTO(end, rc);
-
- /* Set root stripeoffset */
- snprintf(buf, MGS_PARAM_MAXLEN, ".stripeoffset=%hd",
- lump ? le16_to_cpu(lump->lmm_stripe_offset) :
- (typeof(lump->lmm_stripe_offset))(-1));
- rc = ll_send_mgc_param(mgc->u.cli.cl_mgc_mgsexp, param);
-
-end:
- if (param != NULL)
- OBD_FREE(param, MGS_PARAM_MAXLEN);
- }
-#endif
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)
+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 lov_mds_md *lmm = NULL;
struct ptlrpc_request *req = NULL;
- int rc, lmm_size;
+ int lmm_size = OBD_MAX_DEFAULT_EA_SIZE;
struct md_op_data *op_data;
- ENTRY;
+ struct lu_fid fid;
+ int rc;
- rc = ll_get_default_mdsize(sbi, &lmm_size);
- if (rc)
- RETURN(rc);
+ ENTRY;
- op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL,
- 0, lmm_size, LUSTRE_OPC_ANY,
- NULL);
+ op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, lmm_size,
+ LUSTRE_OPC_ANY, NULL);
if (IS_ERR(op_data))
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 LOV_USER_MAGIC_SPECIFIC: {
- struct lov_user_md_v3 *v3 = (struct lov_user_md_v3 *)lmm;
-
- if (LOV_MAGIC != cpu_to_le32(LOV_MAGIC)) {
- lustre_swab_lov_user_md_v3(v3);
- lustre_swab_lov_user_md_objects(v3->lmm_objects,
- v3->lmm_stripe_count);
- }
- }
- break;
case LMV_MAGIC_FOREIGN: {
struct lmv_foreign_md *lfm = (struct lmv_foreign_md *)lmm;
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) && root_request != NULL) {
+ int rc2 = ll_dir_get_default_layout(inode, (void **)&lmm,
+ &lmm_size, &root_req, valid,
+ GET_DEFAULT_LAYOUT_ROOT);
+ if (rc2 == 0)
+ rc = 0;
+ }
+
+ *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;
count = 0;
for (i = 0; i < sizeof(archive_mask) * 8; i++) {
- if ((1 << i) & archive_mask) {
+ if (BIT(i) & archive_mask) {
lk->lk_data[count] = i + 1;
count++;
}
return 0;
}
-static int quotactl_ioctl(struct ll_sb_info *sbi, struct if_quotactl *qctl)
+int quotactl_ioctl(struct super_block *sb, struct if_quotactl *qctl)
{
- int cmd = qctl->qc_cmd;
- int type = qctl->qc_type;
- int id = qctl->qc_id;
- int valid = qctl->qc_valid;
- int rc = 0;
- ENTRY;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ int cmd = qctl->qc_cmd;
+ int type = qctl->qc_type;
+ int id = qctl->qc_id;
+ int valid = qctl->qc_valid;
+ int rc = 0;
+
+ ENTRY;
switch (cmd) {
case Q_SETQUOTA:
case Q_SETINFO:
case LUSTRE_Q_SETDEFAULT:
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ case LUSTRE_Q_SETQUOTAPOOL:
+ case LUSTRE_Q_SETINFOPOOL:
+ case LUSTRE_Q_SETDEFAULT_POOL:
+ case LUSTRE_Q_DELETEQID:
+ if (!capable(CAP_SYS_ADMIN))
RETURN(-EPERM);
+
+ if (sb->s_flags & SB_RDONLY)
+ RETURN(-EROFS);
break;
case Q_GETQUOTA:
case LUSTRE_Q_GETDEFAULT:
+ case LUSTRE_Q_GETQUOTAPOOL:
+ case LUSTRE_Q_GETDEFAULT_POOL:
if (check_owner(type, id) &&
- (!cfs_capable(CFS_CAP_SYS_ADMIN)))
+ (!capable(CAP_SYS_ADMIN)))
RETURN(-EPERM);
break;
case Q_GETINFO:
+ case LUSTRE_Q_GETINFOPOOL:
break;
default:
CERROR("unsupported quotactl op: %#x\n", cmd);
RETURN(-ENOTSUPP);
}
- if (valid != QC_GENERAL) {
- if (cmd == Q_GETINFO)
- qctl->qc_cmd = Q_GETOINFO;
- else if (cmd == Q_GETQUOTA)
- qctl->qc_cmd = Q_GETOQUOTA;
- else
- RETURN(-EINVAL);
-
- switch (valid) {
- case QC_MDTIDX:
- rc = obd_iocontrol(OBD_IOC_QUOTACTL, sbi->ll_md_exp,
- sizeof(*qctl), qctl, NULL);
- break;
- case QC_OSTIDX:
- rc = obd_iocontrol(OBD_IOC_QUOTACTL, sbi->ll_dt_exp,
- sizeof(*qctl), qctl, NULL);
- break;
- case QC_UUID:
- rc = obd_iocontrol(OBD_IOC_QUOTACTL, sbi->ll_md_exp,
- sizeof(*qctl), qctl, NULL);
- if (rc == -EAGAIN)
- rc = obd_iocontrol(OBD_IOC_QUOTACTL,
- sbi->ll_dt_exp,
- sizeof(*qctl), qctl, NULL);
- break;
- default:
- rc = -EINVAL;
- break;
- }
+ if (valid != QC_GENERAL) {
+ if (cmd == Q_GETINFO)
+ qctl->qc_cmd = Q_GETOINFO;
+ else if (cmd == Q_GETQUOTA ||
+ cmd == LUSTRE_Q_GETQUOTAPOOL)
+ qctl->qc_cmd = Q_GETOQUOTA;
+ else
+ RETURN(-EINVAL);
- if (rc)
- RETURN(rc);
+ switch (valid) {
+ case QC_MDTIDX:
+ rc = obd_iocontrol(OBD_IOC_QUOTACTL, sbi->ll_md_exp,
+ sizeof(*qctl), qctl, NULL);
+ break;
+ case QC_OSTIDX:
+ rc = obd_iocontrol(OBD_IOC_QUOTACTL, sbi->ll_dt_exp,
+ sizeof(*qctl), qctl, NULL);
+ break;
+ case QC_UUID:
+ rc = obd_iocontrol(OBD_IOC_QUOTACTL, sbi->ll_md_exp,
+ sizeof(*qctl), qctl, NULL);
+ if (rc == -EAGAIN)
+ rc = obd_iocontrol(OBD_IOC_QUOTACTL,
+ sbi->ll_dt_exp,
+ sizeof(*qctl), qctl, NULL);
+ break;
+ default:
+ rc = -EINVAL;
+ break;
+ }
- qctl->qc_cmd = cmd;
- } else {
- struct obd_quotactl *oqctl;
+ qctl->qc_cmd = cmd;
+ if (rc)
+ RETURN(rc);
+ } else {
+ struct obd_quotactl *oqctl;
+ int oqctl_len = sizeof(*oqctl);
- OBD_ALLOC_PTR(oqctl);
- if (oqctl == NULL)
- RETURN(-ENOMEM);
+ if (LUSTRE_Q_CMD_IS_POOL(cmd))
+ oqctl_len += LOV_MAXPOOLNAME + 1;
- QCTL_COPY(oqctl, qctl);
- rc = obd_quotactl(sbi->ll_md_exp, oqctl);
- if (rc) {
- OBD_FREE_PTR(oqctl);
- RETURN(rc);
- }
+ OBD_ALLOC(oqctl, oqctl_len);
+ if (oqctl == NULL)
+ RETURN(-ENOMEM);
+
+ QCTL_COPY(oqctl, qctl);
+ rc = obd_quotactl(sbi->ll_md_exp, oqctl);
+ if (rc) {
+ OBD_FREE(oqctl, oqctl_len);
+ RETURN(rc);
+ }
/* If QIF_SPACE is not set, client should collect the
* space usage from OSSs by itself */
- if (cmd == Q_GETQUOTA &&
- !(oqctl->qc_dqblk.dqb_valid & QIF_SPACE) &&
- !oqctl->qc_dqblk.dqb_curspace) {
- struct obd_quotactl *oqctl_tmp;
-
- OBD_ALLOC_PTR(oqctl_tmp);
- if (oqctl_tmp == NULL)
- GOTO(out, rc = -ENOMEM);
-
- oqctl_tmp->qc_cmd = Q_GETOQUOTA;
+ if ((cmd == Q_GETQUOTA || cmd == LUSTRE_Q_GETQUOTAPOOL) &&
+ !(oqctl->qc_dqblk.dqb_valid & QIF_SPACE) &&
+ !oqctl->qc_dqblk.dqb_curspace) {
+ struct obd_quotactl *oqctl_tmp;
+ int qctl_len = sizeof(*oqctl_tmp) + LOV_MAXPOOLNAME + 1;
+
+ OBD_ALLOC(oqctl_tmp, qctl_len);
+ if (oqctl_tmp == NULL)
+ GOTO(out, rc = -ENOMEM);
+
+ if (cmd == LUSTRE_Q_GETQUOTAPOOL) {
+ oqctl_tmp->qc_cmd = LUSTRE_Q_GETQUOTAPOOL;
+ memcpy(oqctl_tmp->qc_poolname,
+ qctl->qc_poolname,
+ LOV_MAXPOOLNAME + 1);
+ } else {
+ oqctl_tmp->qc_cmd = Q_GETOQUOTA;
+ }
oqctl_tmp->qc_id = oqctl->qc_id;
oqctl_tmp->qc_type = oqctl->qc_type;
oqctl->qc_dqblk.dqb_valid |= QIF_SPACE;
}
- /* collect space & inode usage from MDTs */
- oqctl_tmp->qc_dqblk.dqb_curspace = 0;
- oqctl_tmp->qc_dqblk.dqb_curinodes = 0;
- rc = obd_quotactl(sbi->ll_md_exp, oqctl_tmp);
- if (!rc || rc == -EREMOTEIO) {
- oqctl->qc_dqblk.dqb_curspace +=
- oqctl_tmp->qc_dqblk.dqb_curspace;
- oqctl->qc_dqblk.dqb_curinodes =
- oqctl_tmp->qc_dqblk.dqb_curinodes;
- oqctl->qc_dqblk.dqb_valid |= QIF_INODES;
- } else {
- oqctl->qc_dqblk.dqb_valid &= ~QIF_SPACE;
- }
+ /* collect space & inode usage from MDTs */
+ oqctl_tmp->qc_cmd = Q_GETOQUOTA;
+ oqctl_tmp->qc_dqblk.dqb_curspace = 0;
+ oqctl_tmp->qc_dqblk.dqb_curinodes = 0;
+ rc = obd_quotactl(sbi->ll_md_exp, oqctl_tmp);
+ if (!rc || rc == -EREMOTEIO) {
+ oqctl->qc_dqblk.dqb_curspace +=
+ oqctl_tmp->qc_dqblk.dqb_curspace;
+ oqctl->qc_dqblk.dqb_curinodes =
+ oqctl_tmp->qc_dqblk.dqb_curinodes;
+ oqctl->qc_dqblk.dqb_valid |= QIF_INODES;
+ } else {
+ oqctl->qc_dqblk.dqb_valid &= ~QIF_SPACE;
+ }
- OBD_FREE_PTR(oqctl_tmp);
+ OBD_FREE(oqctl_tmp, qctl_len);
}
out:
- QCTL_COPY(qctl, oqctl);
- OBD_FREE_PTR(oqctl);
- }
+ QCTL_COPY(qctl, oqctl);
+ OBD_FREE(oqctl, oqctl_len);
+ }
+
+ RETURN(rc);
+}
+
+int ll_rmfid(struct file *file, void __user *arg)
+{
+ const struct fid_array __user *ufa = arg;
+ struct inode *inode = file_inode(file);
+ struct fid_array *lfa = NULL;
+ size_t size;
+ unsigned nr;
+ int i, rc, *rcs = NULL;
+ ENTRY;
+
+ if (!capable(CAP_DAC_READ_SEARCH) &&
+ !test_bit(LL_SBI_USER_FID2PATH, ll_i2sbi(inode)->ll_flags))
+ 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_PTR_ARRAY(rcs, 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_PTR_ARRAY(rcs, nr);
+free_lfa:
+ OBD_FREE(lfa, size);
- RETURN(rc);
+ RETURN(rc);
}
/* This function tries to get a single name component,
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;
+ struct obd_ioctl_data *data = NULL;
int rc = 0;
ENTRY;
return 0;
}
case IOC_MDC_LOOKUP: {
- int namelen, len = 0;
- char *buf = NULL;
+ int namelen, len = 0;
char *filename;
- rc = obd_ioctl_getdata(&buf, &len, (void __user *)arg);
+ rc = obd_ioctl_getdata(&data, &len, (void __user *)arg);
if (rc != 0)
RETURN(rc);
- data = (void *)buf;
filename = data->ioc_inlbuf1;
namelen = strlen(filename);
GOTO(out_free, rc);
}
out_free:
- OBD_FREE_LARGE(buf, len);
- return rc;
- }
+ OBD_FREE_LARGE(data, len);
+ return rc;
+ }
case LL_IOC_LMV_SETSTRIPE: {
struct lmv_user_md *lum;
- char *buf = NULL;
- char *filename;
- int namelen = 0;
- int lumlen = 0;
- umode_t mode;
- int len;
- int rc;
+ char *filename;
+ int namelen = 0;
+ int lumlen = 0;
+ umode_t mode;
+ bool createonly = false;
+ int len;
+ int rc;
- rc = obd_ioctl_getdata(&buf, &len, (void __user *)arg);
+ rc = obd_ioctl_getdata(&data, &len, (void __user *)arg);
if (rc)
RETURN(rc);
- data = (void *)buf;
if (data->ioc_inlbuf1 == NULL || data->ioc_inlbuf2 == NULL ||
data->ioc_inllen1 == 0 || data->ioc_inllen2 == 0)
GOTO(lmv_out_free, rc = -EINVAL);
lum = (struct lmv_user_md *)data->ioc_inlbuf2;
lumlen = data->ioc_inllen2;
- if (!lmv_magic_supported(lum->lum_magic)) {
+ if (!lmv_user_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);
GOTO(lmv_out_free, rc = -EINVAL);
}
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 50, 0)
- mode = data->ioc_type != 0 ? data->ioc_type : S_IRWXUGO;
-#else
mode = data->ioc_type;
-#endif
- rc = ll_dir_setdirstripe(dentry, lum, lumlen, filename, mode);
+ createonly = data->ioc_obdo1.o_flags & OBD_FL_OBDMDEXISTS;
+ rc = ll_dir_setdirstripe(dentry, lum, lumlen, filename, mode,
+ createonly);
lmv_out_free:
- OBD_FREE_LARGE(buf, len);
+ OBD_FREE_LARGE(data, len);
RETURN(rc);
}
int set_default = 0;
- CLASSERT(sizeof(struct lov_user_md_v3) >
- sizeof(struct lov_comp_md_v1));
- CLASSERT(sizeof(*lumv3) == sizeof(*lumv3p));
+ 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 (inode->i_sb->s_root == file_dentry(file))
+ if (is_root_inode(inode))
set_default = 1;
switch (lumv1.lmm_magic) {
(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);
if (lmmsize > sizeof(*ulmv))
GOTO(finish_req, rc = -EINVAL);
+ if (root_request != NULL) {
+ struct lmv_user_md *lum;
+ struct ll_inode_info *lli;
+
+ lum = (struct lmv_user_md *)lmm;
+ lli = ll_i2info(inode);
+ if (lum->lum_max_inherit !=
+ LMV_INHERIT_UNLIMITED) {
+ if (lum->lum_max_inherit ==
+ LMV_INHERIT_NONE ||
+ lum->lum_max_inherit <
+ LMV_INHERIT_END ||
+ lum->lum_max_inherit >
+ LMV_INHERIT_MAX ||
+ lum->lum_max_inherit <
+ lli->lli_dir_depth)
+ GOTO(finish_req, rc = -ENODATA);
+
+ if (lum->lum_max_inherit ==
+ lli->lli_dir_depth) {
+ lum->lum_max_inherit =
+ LMV_INHERIT_NONE;
+ lum->lum_max_inherit_rr =
+ LMV_INHERIT_RR_NONE;
+ goto out_copy;
+ }
+
+ lum->lum_max_inherit -=
+ lli->lli_dir_depth;
+ }
+
+ if (lum->lum_max_inherit_rr !=
+ LMV_INHERIT_RR_UNLIMITED) {
+ if (lum->lum_max_inherit_rr ==
+ LMV_INHERIT_NONE ||
+ lum->lum_max_inherit_rr <
+ LMV_INHERIT_RR_END ||
+ lum->lum_max_inherit_rr >
+ LMV_INHERIT_RR_MAX ||
+ lum->lum_max_inherit_rr <=
+ lli->lli_dir_depth) {
+ lum->lum_max_inherit_rr =
+ LMV_INHERIT_RR_NONE;
+ goto out_copy;
+ }
+
+ if (lum->lum_max_inherit_rr >
+ lli->lli_dir_depth)
+ lum->lum_max_inherit_rr -=
+ lli->lli_dir_depth;
+ }
+ }
+out_copy:
if (copy_to_user(ulmv, lmm, lmmsize))
GOTO(finish_req, rc = -EFAULT);
OBD_FREE(tmp, lum_size);
finish_req:
ptlrpc_req_finished(request);
+ ptlrpc_req_finished(root_request);
return rc;
}
+ case LL_IOC_UNLOCK_FOREIGN:
+ /* if not a foreign symlink do nothing */
+ if (ll_foreign_is_removable(dentry, true)) {
+ CDEBUG(D_INFO,
+ "prevent rmdir of non-foreign dir ("DFID")\n",
+ PFID(ll_inode2fid(inode)));
+ RETURN(-EOPNOTSUPP);
+ }
+ RETURN(0);
+
case LL_IOC_REMOVE_ENTRY: {
char *filename = NULL;
int namelen = 0;
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_LOV_GETSTRIPE_NEW:
- case LL_IOC_MDC_GETINFO:
- case IOC_MDC_GETFILEINFO:
+ case LL_IOC_MDC_GETINFO_V1:
+ case LL_IOC_MDC_GETINFO_V2:
+ case IOC_MDC_GETFILEINFO_V1:
+ case IOC_MDC_GETFILEINFO_V2:
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;
+ bool api32;
+
+ if (cmd == IOC_MDC_GETFILEINFO_V1 ||
+ cmd == IOC_MDC_GETFILEINFO_V2 ||
+ 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 == -ENODATA && (cmd == IOC_MDC_GETFILEINFO ||
- cmd == LL_IOC_MDC_GETINFO)) {
+ if (rc == -ENODATA && (cmd == IOC_MDC_GETFILEINFO_V1 ||
+ cmd == LL_IOC_MDC_GETINFO_V1 ||
+ cmd == IOC_MDC_GETFILEINFO_V2 ||
+ cmd == LL_IOC_MDC_GETINFO_V2)) {
lmmsize = 0;
rc = 0;
}
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_V1 ||
+ cmd == LL_IOC_MDC_GETINFO_V1){
+ 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;
- }
+ 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
GOTO(out_req, rc = -EFAULT);
rc = -EOVERFLOW;
}
+ api32 = test_bit(LL_SBI_32BIT_API, sbi->ll_flags);
- if (cmd == IOC_MDC_GETFILEINFO || cmd == LL_IOC_MDC_GETINFO) {
- struct lov_user_mds_data __user *lmdp;
- lstat_t st = { 0 };
+ if (cmd == IOC_MDC_GETFILEINFO_V1 ||
+ cmd == LL_IOC_MDC_GETINFO_V1) {
+ lstat_t st = { 0 };
st.st_dev = inode->i_sb->s_dev;
st.st_mode = body->mbo_mode;
st.st_uid = body->mbo_uid;
st.st_gid = body->mbo_gid;
st.st_rdev = body->mbo_rdev;
- st.st_size = body->mbo_size;
+ if (llcrypt_require_key(inode) == -ENOKEY)
+ st.st_size = round_up(st.st_size,
+ LUSTRE_ENCRYPTION_UNIT_SIZE);
+ else
+ st.st_size = body->mbo_size;
st.st_blksize = PAGE_SIZE;
st.st_blocks = body->mbo_blocks;
st.st_atime = body->mbo_atime;
st.st_mtime = body->mbo_mtime;
st.st_ctime = body->mbo_ctime;
st.st_ino = cl_fid_build_ino(&body->mbo_fid1,
- sbi->ll_flags &
- LL_SBI_32BIT_API);
+ api32);
- 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_V2 ||
+ cmd == LL_IOC_MDC_GETINFO_V2) {
+ 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,
+ api32);
+ if (llcrypt_require_key(inode) == -ENOKEY)
+ stx.stx_size = round_up(stx.stx_size,
+ LUSTRE_ENCRYPTION_UNIT_SIZE);
+ else
+ 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_btime.tv_sec = body->mbo_btime;
+ 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 | STATX_BTIME;
- 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_V2 &&
+ 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;
+ struct if_quotactl *qctl;
+ int qctl_len = sizeof(*qctl) + LOV_MAXPOOLNAME + 1;
- OBD_ALLOC_PTR(qctl);
- if (!qctl)
- RETURN(-ENOMEM);
+ OBD_ALLOC(qctl, qctl_len);
+ if (!qctl)
+ RETURN(-ENOMEM);
if (copy_from_user(qctl, (void __user *)arg, sizeof(*qctl)))
- GOTO(out_quotactl, rc = -EFAULT);
-
- rc = quotactl_ioctl(sbi, qctl);
+ GOTO(out_quotactl, rc = -EFAULT);
+
+ if (LUSTRE_Q_CMD_IS_POOL(qctl->qc_cmd)) {
+ char __user *from = (char __user *)arg +
+ offsetof(typeof(*qctl), qc_poolname);
+ if (copy_from_user(qctl->qc_poolname, from,
+ LOV_MAXPOOLNAME + 1))
+ GOTO(out_quotactl, rc = -EFAULT);
+ }
- if (rc == 0 &&
+ rc = quotactl_ioctl(inode->i_sb, qctl);
+ if ((rc == 0 || rc == -ENODATA) &&
copy_to_user((void __user *)arg, qctl, sizeof(*qctl)))
rc = -EFAULT;
- out_quotactl:
- OBD_FREE_PTR(qctl);
- RETURN(rc);
+out_quotactl:
+ OBD_FREE(qctl, qctl_len);
+ RETURN(rc);
}
- case OBD_IOC_GETDTNAME:
- case OBD_IOC_GETMDNAME:
+ case OBD_IOC_GETNAME_OLD:
+ case OBD_IOC_GETDTNAME:
+ case OBD_IOC_GETMDNAME:
RETURN(ll_get_obd_name(inode, cmd, arg));
case LL_IOC_FLUSHCTX:
RETURN(ll_flush_ctx(inode));
RETURN(rc);
}
case LL_IOC_HSM_CT_START:
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ if (!capable(CAP_SYS_ADMIN))
RETURN(-EPERM);
rc = copy_and_ct_start(cmd, sbi->ll_md_exp,
}
case LL_IOC_MIGRATE: {
struct lmv_user_md *lum;
- char *buf = NULL;
int len;
char *filename;
int namelen = 0;
+ __u32 flags;
int rc;
- rc = obd_ioctl_getdata(&buf, &len, (void __user *)arg);
+ rc = obd_ioctl_getdata(&data, &len, (void __user *)arg);
if (rc)
RETURN(rc);
- data = (struct obd_ioctl_data *)buf;
if (data->ioc_inlbuf1 == NULL || data->ioc_inlbuf2 == NULL ||
data->ioc_inllen1 == 0 || data->ioc_inllen2 == 0)
GOTO(migrate_free, rc = -EINVAL);
filename = data->ioc_inlbuf1;
namelen = data->ioc_inllen1;
+ flags = data->ioc_type;
if (namelen < 1 || namelen != strlen(filename) + 1) {
CDEBUG(D_INFO, "IOC_MDC_LOOKUP missing filename\n");
GOTO(migrate_free, rc);
}
- rc = ll_migrate(inode, file, lum, filename);
+ rc = ll_migrate(inode, file, lum, filename, flags);
migrate_free:
- OBD_FREE_LARGE(buf, len);
+ OBD_FREE_LARGE(data, len);
RETURN(rc);
}
- case LL_IOC_FSGETXATTR:
+ case FS_IOC_FSGETXATTR:
RETURN(ll_ioctl_fsgetxattr(inode, cmd, arg));
- case LL_IOC_FSSETXATTR:
+ case FS_IOC_FSSETXATTR:
RETURN(ll_ioctl_fssetxattr(inode, cmd, arg));
+ case LL_IOC_PROJECT:
+ RETURN(ll_ioctl_project(file, cmd, arg));
case LL_IOC_PCC_DETACH_BY_FID: {
- struct lu_pcc_detach *detach;
+ struct lu_pcc_detach_fid *detach;
struct lu_fid *fid;
struct inode *inode2;
unsigned long ino;
RETURN(-ENOMEM);
if (copy_from_user(detach,
- (const struct lu_pcc_detach __user *)arg,
+ (const struct lu_pcc_detach_fid __user *)arg,
sizeof(*detach)))
GOTO(out_detach, rc = -EFAULT);
if (!S_ISREG(inode2->i_mode))
GOTO(out_iput, rc = -EINVAL);
- if (!inode_owner_or_capable(inode2))
+ if (!inode_owner_or_capable(&init_user_ns, inode2))
GOTO(out_iput, rc = -EPERM);
- rc = pcc_ioctl_detach(inode2);
+ rc = pcc_ioctl_detach(inode2, detach->pccd_opt);
out_iput:
iput(inode2);
out_detach:
OBD_FREE_PTR(detach);
RETURN(rc);
}
+#ifdef HAVE_LUSTRE_CRYPTO
+ case LL_IOC_SET_ENCRYPTION_POLICY:
+ if (!ll_sbi_has_encrypt(ll_i2sbi(inode)))
+ return -EOPNOTSUPP;
+ return llcrypt_ioctl_set_policy(file, (const void __user *)arg);
+ case LL_IOC_GET_ENCRYPTION_POLICY_EX:
+ if (!ll_sbi_has_encrypt(ll_i2sbi(inode)))
+ return -EOPNOTSUPP;
+ return llcrypt_ioctl_get_policy_ex(file, (void __user *)arg);
+ case LL_IOC_ADD_ENCRYPTION_KEY:
+ if (!ll_sbi_has_encrypt(ll_i2sbi(inode)))
+ return -EOPNOTSUPP;
+ return llcrypt_ioctl_add_key(file, (void __user *)arg);
+ case LL_IOC_REMOVE_ENCRYPTION_KEY:
+ if (!ll_sbi_has_encrypt(ll_i2sbi(inode)))
+ return -EOPNOTSUPP;
+ return llcrypt_ioctl_remove_key(file, (void __user *)arg);
+ case LL_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS:
+ if (!ll_sbi_has_encrypt(ll_i2sbi(inode)))
+ return -EOPNOTSUPP;
+ return llcrypt_ioctl_remove_key_all_users(file,
+ (void __user *)arg);
+ case LL_IOC_GET_ENCRYPTION_KEY_STATUS:
+ if (!ll_sbi_has_encrypt(ll_i2sbi(inode)))
+ return -EOPNOTSUPP;
+ return llcrypt_ioctl_get_key_status(file, (void __user *)arg);
+#endif
default:
RETURN(obd_iocontrol(cmd, sbi->ll_dt_exp, 0, NULL,
(void __user *)arg));
static loff_t ll_dir_seek(struct file *file, loff_t offset, int origin)
{
- struct inode *inode = file->f_mapping->host;
- struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- int api32 = ll_need_32bit_api(sbi);
- loff_t ret = -EINVAL;
- ENTRY;
+ struct inode *inode = file->f_mapping->host;
+ struct ll_file_data *fd = file->private_data;
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ int api32 = ll_need_32bit_api(sbi);
+ loff_t ret = -EINVAL;
+ ENTRY;
inode_lock(inode);
- switch (origin) {
- case SEEK_SET:
- break;
- case SEEK_CUR:
- offset += file->f_pos;
- break;
- case SEEK_END:
- if (offset > 0)
- GOTO(out, ret);
- if (api32)
- offset += LL_DIR_END_OFF_32BIT;
- else
- offset += LL_DIR_END_OFF;
- break;
- default:
- GOTO(out, ret);
- }
+ switch (origin) {
+ case SEEK_SET:
+ break;
+ case SEEK_CUR:
+ offset += file->f_pos;
+ break;
+ case SEEK_END:
+ if (offset > 0)
+ GOTO(out, ret);
+ if (api32)
+ offset += LL_DIR_END_OFF_32BIT;
+ else
+ offset += LL_DIR_END_OFF;
+ break;
+ default:
+ GOTO(out, ret);
+ }
+
+ if (offset >= 0 &&
+ ((api32 && offset <= LL_DIR_END_OFF_32BIT) ||
+ (!api32 && offset <= LL_DIR_END_OFF))) {
+ if (offset != file->f_pos) {
+ bool hash64;
- if (offset >= 0 &&
- ((api32 && offset <= LL_DIR_END_OFF_32BIT) ||
- (!api32 && offset <= LL_DIR_END_OFF))) {
- if (offset != file->f_pos) {
- if ((api32 && offset == LL_DIR_END_OFF_32BIT) ||
- (!api32 && offset == LL_DIR_END_OFF))
+ hash64 = test_bit(LL_SBI_64BIT_HASH, sbi->ll_flags);
+ if ((api32 && offset == LL_DIR_END_OFF_32BIT) ||
+ (!api32 && offset == LL_DIR_END_OFF))
fd->lfd_pos = MDS_DIR_END_OFF;
- else if (api32 && sbi->ll_flags & LL_SBI_64BIT_HASH)
+ else if (api32 && hash64)
fd->lfd_pos = offset << 32;
- else
+ else
fd->lfd_pos = offset;
- file->f_pos = offset;
- file->f_version = 0;
- }
- ret = offset;
- }
- GOTO(out, ret);
+ file->f_pos = offset;
+ file->f_version = 0;
+ }
+ ret = offset;
+ }
+ GOTO(out, ret);
out:
inode_unlock(inode);
- return ret;
+ return ret;
}
static int ll_dir_open(struct inode *inode, struct file *file)
RETURN(ll_file_release(inode, file));
}
+/* notify error if partially read striped directory */
+static int ll_dir_flush(struct file *file, fl_owner_t id)
+{
+ struct ll_file_data *lfd = file->private_data;
+ int rc = lfd->fd_partial_readdir_rc;
+
+ lfd->fd_partial_readdir_rc = 0;
+
+ return rc;
+}
+
const struct file_operations ll_dir_operations = {
.llseek = ll_dir_seek,
.open = ll_dir_open,
.release = ll_dir_release,
.read = generic_read_dir,
#ifdef HAVE_DIR_CONTEXT
- .iterate = ll_iterate,
+ .iterate_shared = ll_iterate,
#else
.readdir = ll_readdir,
#endif
.unlocked_ioctl = ll_dir_ioctl,
.fsync = ll_fsync,
+ .flush = ll_dir_flush,
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff