* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_LLITE
+#include <lustre/lustre_idl.h>
#include <obd_support.h>
#include <obd_class.h>
#include <lustre_lib.h>
* a header lu_dirpage which describes the start/end hash, and whether this
* page is empty (contains no dir entry) or hash collide with next page.
* After client receives reply, several pages will be integrated into dir page
- * in CFS_PAGE_SIZE (if CFS_PAGE_SIZE greater than LU_PAGE_SIZE), and the
- * lu_dirpage for this integrated page will be adjusted.
+ * in PAGE_CACHE_SIZE (if PAGE_CACHE_SIZE greater than LU_PAGE_SIZE), and the
+ * lu_dirpage for this integrated page will be adjusted. See
+ * lmv_adjust_dirpages().
*
*/
/* returns the page unlocked, but with a reference */
-static int ll_dir_readpage(struct file *file, struct page *page0)
+static int ll_dir_filler(void *_hash, struct page *page0)
{
- struct inode *inode = page0->mapping->host;
- int hash64 = ll_i2sbi(inode)->ll_flags & LL_SBI_64BIT_HASH;
- struct obd_export *exp = ll_i2sbi(inode)->ll_md_exp;
- struct ptlrpc_request *request;
- struct mdt_body *body;
- struct md_op_data *op_data;
- __u64 hash;
- struct page **page_pool;
- struct page *page;
-#ifndef HAVE_ADD_TO_PAGE_CACHE_LRU
- struct pagevec lru_pvec;
-#endif
- struct lu_dirpage *dp;
- int max_pages = ll_i2sbi(inode)->ll_md_brw_size >> CFS_PAGE_SHIFT;
- int nrdpgs = 0; /* number of pages read actually */
- int npages;
- int i;
- int rc;
- ENTRY;
-
- if (file) {
- struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
-
- hash = fd->fd_dir.lfd_next;
- } else {
- hash = ll_i2info(inode)->lli_sa_pos;
- }
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p) hash "LPU64"\n",
- inode->i_ino, inode->i_generation, inode, hash);
-
- LASSERT(max_pages > 0 && max_pages <= PTLRPC_MAX_BRW_PAGES);
-
- OBD_ALLOC(page_pool, sizeof(page) * max_pages);
- if (page_pool != NULL) {
- page_pool[0] = page0;
- } else {
- page_pool = &page0;
- max_pages = 1;
- }
- for (npages = 1; npages < max_pages; npages++) {
- page = page_cache_alloc_cold(inode->i_mapping);
- if (!page)
- break;
- page_pool[npages] = page;
- }
-
- op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0,
- LUSTRE_OPC_ANY, NULL);
- op_data->op_npages = npages;
- op_data->op_offset = hash;
- rc = md_readpage(exp, op_data, page_pool, &request);
- ll_finish_md_op_data(op_data);
- if (rc == 0) {
- body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY);
- /* Checked by mdc_readpage() */
- LASSERT(body != NULL);
-
- if (body->valid & OBD_MD_FLSIZE)
- cl_isize_write(inode, body->size);
-
- nrdpgs = (request->rq_bulk->bd_nob_transferred+CFS_PAGE_SIZE-1)
- >> CFS_PAGE_SHIFT;
- SetPageUptodate(page0);
- }
- unlock_page(page0);
- ptlrpc_req_finished(request);
-
- CDEBUG(D_VFSTRACE, "read %d/%d pages\n", nrdpgs, npages);
-
- ll_pagevec_init(&lru_pvec, 0);
- for (i = 1; i < npages; i++) {
- unsigned long offset;
- int ret;
-
- page = page_pool[i];
-
- if (rc < 0 || i >= nrdpgs) {
- page_cache_release(page);
- continue;
- }
-
- SetPageUptodate(page);
-
- dp = cfs_kmap(page);
- hash = le64_to_cpu(dp->ldp_hash_start);
- cfs_kunmap(page);
-
- offset = hash_x_index(hash, hash64);
-
- prefetchw(&page->flags);
- ret = ll_add_to_page_cache_lru(page, inode->i_mapping, offset,
- GFP_KERNEL);
- if (ret == 0) {
- unlock_page(page);
- if (ll_pagevec_add(&lru_pvec, page) == 0)
- ll_pagevec_lru_add_file(&lru_pvec);
- } else {
- CDEBUG(D_VFSTRACE, "page %lu add to page cache failed:"
- " %d\n", offset, ret);
- }
- page_cache_release(page);
- }
- ll_pagevec_lru_add_file(&lru_pvec);
-
- if (page_pool != &page0)
- OBD_FREE(page_pool, sizeof(struct page *) * max_pages);
- EXIT;
- return rc;
+ struct inode *inode = page0->mapping->host;
+ int hash64 = ll_i2sbi(inode)->ll_flags & LL_SBI_64BIT_HASH;
+ struct obd_export *exp = ll_i2sbi(inode)->ll_md_exp;
+ struct ptlrpc_request *request;
+ struct mdt_body *body;
+ struct md_op_data *op_data;
+ __u64 hash = *((__u64 *)_hash);
+ struct page **page_pool;
+ struct page *page;
+ struct lu_dirpage *dp;
+ int max_pages = ll_i2sbi(inode)->ll_md_brw_size >> PAGE_CACHE_SHIFT;
+ int nrdpgs = 0; /* number of pages read actually */
+ int npages;
+ int i;
+ int rc;
+ ENTRY;
+
+ CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) hash "LPU64"\n",
+ PFID(ll_inode2fid(inode)), inode, hash);
+
+ LASSERT(max_pages > 0 && max_pages <= MD_MAX_BRW_PAGES);
+
+ 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));
+
+ OBD_ALLOC(page_pool, sizeof(page) * max_pages);
+ if (page_pool != NULL) {
+ page_pool[0] = page0;
+ } else {
+ page_pool = &page0;
+ max_pages = 1;
+ }
+ for (npages = 1; npages < max_pages; npages++) {
+ page = page_cache_alloc_cold(inode->i_mapping);
+ if (!page)
+ break;
+ page_pool[npages] = page;
+ }
+
+ op_data->op_npages = npages;
+ op_data->op_offset = hash;
+ rc = md_readpage(exp, op_data, page_pool, &request);
+ ll_finish_md_op_data(op_data);
+ if (rc == 0) {
+ body = req_capsule_server_get(&request->rq_pill, &RMF_MDT_BODY);
+ /* Checked by mdc_readpage() */
+ LASSERT(body != NULL);
+
+ if (body->valid & OBD_MD_FLSIZE)
+ cl_isize_write(inode, body->size);
+
+ nrdpgs = (request->rq_bulk->bd_nob_transferred +
+ PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ SetPageUptodate(page0);
+ }
+ unlock_page(page0);
+ ptlrpc_req_finished(request);
+
+ CDEBUG(D_VFSTRACE, "read %d/%d pages\n", nrdpgs, npages);
+
+ for (i = 1; i < npages; i++) {
+ unsigned long offset;
+ int ret;
+
+ page = page_pool[i];
+
+ if (rc < 0 || i >= nrdpgs) {
+ page_cache_release(page);
+ continue;
+ }
+
+ SetPageUptodate(page);
+
+ dp = kmap(page);
+ hash = le64_to_cpu(dp->ldp_hash_start);
+ kunmap(page);
+
+ offset = hash_x_index(hash, hash64);
+
+ prefetchw(&page->flags);
+ ret = add_to_page_cache_lru(page, inode->i_mapping, offset,
+ GFP_KERNEL);
+ if (ret == 0)
+ unlock_page(page);
+ else
+ CDEBUG(D_VFSTRACE, "page %lu add to page cache failed:"
+ " %d\n", offset, ret);
+ page_cache_release(page);
+ }
+
+ if (page_pool != &page0)
+ OBD_FREE(page_pool, sizeof(struct page *) * max_pages);
+
+ RETURN(rc);
}
-#ifndef MS_HAS_NEW_AOPS
-struct address_space_operations ll_dir_aops = {
- .readpage = ll_dir_readpage,
-};
-#else
-struct address_space_operations_ext ll_dir_aops = {
- .orig_aops.readpage = ll_dir_readpage,
-};
-#endif
-
static void ll_check_page(struct inode *dir, struct page *page)
{
/* XXX: check page format later */
struct page *page;
int found;
- TREE_READ_LOCK_IRQ(mapping);
+ spin_lock_irq(&mapping->tree_lock);
found = radix_tree_gang_lookup(&mapping->page_tree,
(void **)&page, offset, 1);
if (found > 0) {
struct lu_dirpage *dp;
page_cache_get(page);
- TREE_READ_UNLOCK_IRQ(mapping);
+ spin_unlock_irq(&mapping->tree_lock);
/*
* In contrast to find_lock_page() we are sure that directory
* page cannot be truncated (while DLM lock is held) and,
* hence, can avoid restart.
*
* In fact, page cannot be locked here at all, because
- * ll_dir_readpage() does synchronous io.
+ * ll_dir_filler() does synchronous io.
*/
- wait_on_page(page);
- if (PageUptodate(page)) {
- dp = cfs_kmap(page);
+ wait_on_page_locked(page);
+ if (PageUptodate(page)) {
+ dp = kmap(page);
if (BITS_PER_LONG == 32 && hash64) {
*start = le64_to_cpu(dp->ldp_hash_start) >> 32;
*end = le64_to_cpu(dp->ldp_hash_end) >> 32;
}
} else {
- TREE_READ_UNLOCK_IRQ(mapping);
+ spin_unlock_irq(&mapping->tree_lock);
page = NULL;
}
return page;
}
-struct page *ll_get_dir_page(struct file *filp, struct inode *dir, __u64 hash,
+struct page *ll_get_dir_page(struct inode *dir, __u64 hash,
struct ll_dir_chain *chain)
{
ldlm_policy_data_t policy = {.l_inodebits = {MDS_INODELOCK_UPDATE} };
mode = LCK_PR;
rc = md_lock_match(ll_i2sbi(dir)->ll_md_exp, LDLM_FL_BLOCK_GRANTED,
ll_inode2fid(dir), LDLM_IBITS, &policy, mode, &lockh);
- if (!rc) {
- struct ldlm_enqueue_info einfo = { LDLM_IBITS, mode,
- ll_md_blocking_ast, ldlm_completion_ast,
- NULL, NULL, dir };
- struct lookup_intent it = { .it_op = IT_READDIR };
- struct ptlrpc_request *request;
- struct md_op_data *op_data;
-
- op_data = ll_prep_md_op_data(NULL, dir, NULL, NULL, 0, 0,
- LUSTRE_OPC_ANY, NULL);
- if (IS_ERR(op_data))
- return (void *)op_data;
-
- rc = md_enqueue(ll_i2sbi(dir)->ll_md_exp, &einfo, &it,
- op_data, &lockh, NULL, 0, NULL, 0);
-
- ll_finish_md_op_data(op_data);
-
- request = (struct ptlrpc_request *)it.d.lustre.it_data;
- if (request)
- ptlrpc_req_finished(request);
- if (rc < 0) {
- CERROR("lock enqueue: "DFID" at "LPU64": rc %d\n",
- PFID(ll_inode2fid(dir)), hash, rc);
- return ERR_PTR(rc);
- }
+ if (!rc) {
+ struct ldlm_enqueue_info einfo = {
+ .ei_type = LDLM_IBITS,
+ .ei_mode = mode,
+ .ei_cb_bl = ll_md_blocking_ast,
+ .ei_cb_cp = ldlm_completion_ast,
+ };
+ struct lookup_intent it = { .it_op = IT_READDIR };
+ struct ptlrpc_request *request;
+ struct md_op_data *op_data;
+
+ op_data = ll_prep_md_op_data(NULL, dir, dir, NULL, 0, 0,
+ LUSTRE_OPC_ANY, NULL);
+ if (IS_ERR(op_data))
+ return (void *)op_data;
+
+ rc = md_enqueue(ll_i2sbi(dir)->ll_md_exp, &einfo, &it,
+ op_data, &lockh, NULL, 0, NULL, 0);
+
+ ll_finish_md_op_data(op_data);
+
+ request = (struct ptlrpc_request *)it.d.lustre.it_data;
+ if (request)
+ ptlrpc_req_finished(request);
+ if (rc < 0) {
+ CERROR("lock enqueue: "DFID" at "LPU64": rc %d\n",
+ PFID(ll_inode2fid(dir)), hash, rc);
+ return ERR_PTR(rc);
+ }
+
+ CDEBUG(D_INODE, "setting lr_lvb_inode to inode "DFID"(%p)\n",
+ PFID(ll_inode2fid(dir)), dir);
+ md_set_lock_data(ll_i2sbi(dir)->ll_md_exp,
+ &it.d.lustre.it_lock_handle, dir, NULL);
} else {
/* for cross-ref object, l_ast_data of the lock may not be set,
* we reset it here */
}
ldlm_lock_dump_handle(D_OTHER, &lockh);
- cfs_mutex_lock(&lli->lli_readdir_mutex);
+ mutex_lock(&lli->lli_readdir_mutex);
page = ll_dir_page_locate(dir, &lhash, &start, &end);
if (IS_ERR(page)) {
CERROR("dir page locate: "DFID" at "LPU64": rc %ld\n",
}
page = read_cache_page(mapping, hash_x_index(hash, hash64),
- (filler_t*)mapping->a_ops->readpage, filp);
+ ll_dir_filler, &lhash);
if (IS_ERR(page)) {
CERROR("read cache page: "DFID" at "LPU64": rc %ld\n",
PFID(ll_inode2fid(dir)), hash, PTR_ERR(page));
GOTO(out_unlock, page);
}
- wait_on_page(page);
- (void)kmap(page);
- if (!PageUptodate(page)) {
- CERROR("page not updated: "DFID" at "LPU64": rc %d\n",
- PFID(ll_inode2fid(dir)), hash, -5);
- goto fail;
- }
+ wait_on_page_locked(page);
+ (void)kmap(page);
+ if (!PageUptodate(page)) {
+ CERROR("page not updated: "DFID" at "LPU64": rc %d\n",
+ PFID(ll_inode2fid(dir)), hash, -5);
+ goto fail;
+ }
if (!PageChecked(page))
ll_check_page(dir, page);
if (PageError(page)) {
goto fail;
}
out_unlock:
- cfs_mutex_unlock(&lli->lli_readdir_mutex);
+ mutex_unlock(&lli->lli_readdir_mutex);
ldlm_lock_decref(&lockh, mode);
return page;
goto out_unlock;
}
-int ll_readdir(struct file *filp, void *cookie, filldir_t filldir)
+int ll_dir_read(struct inode *inode, __u64 *_pos, void *cookie,
+ filldir_t filldir)
{
- struct inode *inode = filp->f_dentry->d_inode;
struct ll_inode_info *info = ll_i2info(inode);
struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct ll_file_data *fd = LUSTRE_FPRIVATE(filp);
- __u64 pos = fd->fd_dir.lfd_pos;
+ __u64 pos = *_pos;
int api32 = ll_need_32bit_api(sbi);
int hash64 = sbi->ll_flags & LL_SBI_64BIT_HASH;
struct page *page;
struct ll_dir_chain chain;
- int done;
- int rc;
+ int done = 0;
+ int rc = 0;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p) pos %lu/%llu 32bit_api %d\n",
- inode->i_ino, inode->i_generation, inode,
- (unsigned long)pos, i_size_read(inode), api32);
-
- if (pos == MDS_DIR_END_OFF)
- /*
- * end-of-file.
- */
- GOTO(out, rc = 0);
-
- rc = 0;
- done = 0;
ll_dir_chain_init(&chain);
- fd->fd_dir.lfd_next = pos;
- page = ll_get_dir_page(filp, inode, pos, &chain);
+ page = ll_get_dir_page(inode, pos, &chain);
while (rc == 0 && !done) {
struct lu_dirpage *dp;
ll_release_page(page,
le32_to_cpu(dp->ldp_flags) &
LDF_COLLIDE);
- fd->fd_dir.lfd_next = pos;
- page = ll_get_dir_page(filp, inode, pos,
+ next = pos;
+ page = ll_get_dir_page(inode, pos,
&chain);
} else {
/*
}
}
- fd->fd_dir.lfd_pos = pos;
+ *_pos = pos;
+ ll_dir_chain_fini(&chain);
+ RETURN(rc);
+}
+
+static int ll_readdir(struct file *filp, void *cookie, filldir_t filldir)
+{
+ struct inode *inode = filp->f_dentry->d_inode;
+ struct ll_file_data *lfd = LUSTRE_FPRIVATE(filp);
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ __u64 pos;
+ int hash64 = sbi->ll_flags & LL_SBI_64BIT_HASH;
+ int api32 = ll_need_32bit_api(sbi);
+ int rc;
+#ifdef HAVE_TOUCH_ATIME_1ARG
+ struct path path;
+#endif
+ ENTRY;
+
+ if (lfd != NULL)
+ pos = lfd->lfd_pos;
+ else
+ pos = 0;
+
+ CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p) pos %lu/%llu "
+ " 32bit_api %d\n", PFID(ll_inode2fid(inode)),
+ inode, (unsigned long)pos, i_size_read(inode), api32);
+
+ if (pos == MDS_DIR_END_OFF)
+ /*
+ * end-of-file.
+ */
+ GOTO(out, rc = 0);
+
+ rc = ll_dir_read(inode, &pos, cookie, filldir);
+ if (lfd != NULL)
+ lfd->lfd_pos = pos;
if (pos == MDS_DIR_END_OFF) {
if (api32)
filp->f_pos = LL_DIR_END_OFF_32BIT;
else
filp->f_pos = pos;
}
- filp->f_version = inode->i_version;
- touch_atime(filp->f_vfsmnt, filp->f_dentry);
-
- ll_dir_chain_fini(&chain);
+ filp->f_version = inode->i_version;
+#ifdef HAVE_TOUCH_ATIME_1ARG
+#ifdef HAVE_F_PATH_MNT
+ path.mnt = filp->f_path.mnt;
+#else
+ path.mnt = filp->f_vfsmnt;
+#endif
+ path.dentry = filp->f_dentry;
+ touch_atime(&path);
+#else
+ touch_atime(filp->f_vfsmnt, filp->f_dentry);
+#endif
out:
- if (!rc)
- ll_stats_ops_tally(sbi, LPROC_LL_READDIR, 1);
+ if (!rc)
+ ll_stats_ops_tally(sbi, LPROC_LL_READDIR, 1);
- RETURN(rc);
+ RETURN(rc);
}
int ll_send_mgc_param(struct obd_export *mgc, char *string)
return rc;
}
-char *ll_get_fsname(struct inode *inode)
+int ll_dir_setdirstripe(struct inode *dir, struct lmv_user_md *lump,
+ char *filename)
{
- struct lustre_sb_info *lsi = s2lsi(inode->i_sb);
- char *ptr, *fsname;
- int len;
-
- OBD_ALLOC(fsname, MGS_PARAM_MAXLEN);
- len = strlen(lsi->lsi_lmd->lmd_profile);
- ptr = strrchr(lsi->lsi_lmd->lmd_profile, '-');
- if (ptr && (strcmp(ptr, "-client") == 0))
- len -= 7;
- strncpy(fsname, lsi->lsi_lmd->lmd_profile, len);
- fsname[len] = '\0';
-
- return fsname;
+ struct ptlrpc_request *request = NULL;
+ struct md_op_data *op_data;
+ struct ll_sb_info *sbi = ll_i2sbi(dir);
+ int mode;
+ int err;
+
+ ENTRY;
+
+ mode = (0755 & (S_IRWXUGO|S_ISVTX) & ~current->fs->umask) | S_IFDIR;
+ op_data = ll_prep_md_op_data(NULL, dir, NULL, filename,
+ strlen(filename), mode, LUSTRE_OPC_MKDIR,
+ lump);
+ if (IS_ERR(op_data))
+ GOTO(err_exit, err = PTR_ERR(op_data));
+
+ op_data->op_cli_flags |= CLI_SET_MEA;
+ err = md_create(sbi->ll_md_exp, op_data, lump, sizeof(*lump), mode,
+ current_fsuid(), current_fsgid(),
+ cfs_curproc_cap_pack(), 0, &request);
+ ll_finish_md_op_data(op_data);
+ if (err)
+ GOTO(err_exit, err);
+err_exit:
+ ptlrpc_req_finished(request);
+ return err;
}
int ll_dir_setstripe(struct inode *inode, struct lov_user_md *lump,
int rc = 0;
struct lustre_sb_info *lsi = s2lsi(inode->i_sb);
struct obd_device *mgc = lsi->lsi_mgc;
- char *fsname = NULL, *param = NULL;
int lum_size;
+ ENTRY;
if (lump != NULL) {
/*
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;
- }
+ }
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);
}
if (IS_ERR(op_data))
RETURN(PTR_ERR(op_data));
+ if (lump != NULL && lump->lmm_magic == cpu_to_le32(LMV_USER_MAGIC))
+ op_data->op_cli_flags |= CLI_SET_MEA;
+
/* swabbing is done in lov_setstripe() on server side */
rc = md_setattr(sbi->ll_md_exp, op_data, lump, lum_size,
NULL, 0, &req, NULL);
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) {
- OBD_ALLOC(param, MGS_PARAM_MAXLEN);
-
- /* Get fsname and assume devname to be -MDT0000. */
- fsname = ll_get_fsname(inode);
- /* Set root stripesize */
- sprintf(param, "%s-MDT0000.lov.stripesize=%u", fsname,
- 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;
+ 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. */
+ ll_get_fsname(inode->i_sb, buf, MTI_NAME_MAXLEN);
+ strcat(buf, "-MDT0000.lov");
+ buf += strlen(buf);
+
+ /* Set root stripesize */
+ sprintf(buf, ".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 */
+ sprintf(buf, ".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 */
+ sprintf(buf, ".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);
- /* Set root stripecount */
- sprintf(param, "%s-MDT0000.lov.stripecount=%hd", fsname,
- 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;
-
- /* Set root stripeoffset */
- sprintf(param, "%s-MDT0000.lov.stripeoffset=%hd", fsname,
- 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);
- if (rc)
- goto end;
end:
- if (fsname)
- OBD_FREE(fsname, MGS_PARAM_MAXLEN);
- if (param)
- OBD_FREE(param, MGS_PARAM_MAXLEN);
- }
- return rc;
+ if (param != NULL)
+ OBD_FREE(param, MGS_PARAM_MAXLEN);
+ }
+ RETURN(rc);
}
int ll_dir_getstripe(struct inode *inode, struct lov_mds_md **lmmp,
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 "
- "%lu/%u: rc %d\n", inode->i_ino,
- inode->i_generation, rc);
+ CDEBUG(D_INFO, "md_getattr failed on inode "
+ DFID": rc %d\n", PFID(ll_inode2fid(inode)), rc);
GOTO(out, rc);
}
if (IS_ERR(op_data))
RETURN(PTR_ERR(op_data));
- op_data->op_valid |= OBD_MD_MDTIDX;
+ op_data->op_flags |= MF_GET_MDT_IDX;
rc = md_getattr(sbi->ll_md_exp, op_data, NULL);
mdtidx = op_data->op_mds;
ll_finish_md_op_data(op_data);
return mdtidx;
}
-static int copy_and_ioctl(int cmd, struct obd_export *exp, void *data, int len)
+/**
+ * Generic handler to do any pre-copy work.
+ *
+ * It send a first hsm_progress (with extent length == 0) to coordinator as a
+ * first information for it that real work has started.
+ *
+ * Moreover, for a ARCHIVE request, it will sample the file data version and
+ * store it in \a copy.
+ *
+ * \return 0 on success.
+ */
+static int ll_ioc_copy_start(struct super_block *sb, struct hsm_copy *copy)
{
- void *ptr;
- int rc;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct hsm_progress_kernel hpk;
+ int rc;
+ ENTRY;
+
+ /* Forge a hsm_progress based on data from copy. */
+ hpk.hpk_fid = copy->hc_hai.hai_fid;
+ hpk.hpk_cookie = copy->hc_hai.hai_cookie;
+ hpk.hpk_extent.offset = copy->hc_hai.hai_extent.offset;
+ hpk.hpk_extent.length = 0;
+ hpk.hpk_flags = 0;
+ hpk.hpk_errval = 0;
+ hpk.hpk_data_version = 0;
+
+
+ /* For archive request, we need to read the current file version. */
+ if (copy->hc_hai.hai_action == HSMA_ARCHIVE) {
+ struct inode *inode;
+ __u64 data_version = 0;
+
+ /* Get inode for this fid */
+ inode = search_inode_for_lustre(sb, ©->hc_hai.hai_fid);
+ if (IS_ERR(inode)) {
+ hpk.hpk_flags |= HP_FLAG_RETRY;
+ /* hpk_errval is >= 0 */
+ hpk.hpk_errval = -PTR_ERR(inode);
+ GOTO(progress, rc = PTR_ERR(inode));
+ }
+
+ /* Read current file data version */
+ rc = ll_data_version(inode, &data_version, LL_DV_RD_FLUSH);
+ iput(inode);
+ if (rc != 0) {
+ CDEBUG(D_HSM, "Could not read file data version of "
+ DFID" (rc = %d). Archive request ("
+ LPX64") could not be done.\n",
+ PFID(©->hc_hai.hai_fid), rc,
+ copy->hc_hai.hai_cookie);
+ hpk.hpk_flags |= HP_FLAG_RETRY;
+ /* hpk_errval must be >= 0 */
+ hpk.hpk_errval = -rc;
+ GOTO(progress, rc);
+ }
+
+ /* Store it the hsm_copy for later copytool use.
+ * Always modified even if no lsm. */
+ copy->hc_data_version = data_version;
+ }
+
+progress:
+ /* On error, the request should be considered as completed */
+ if (hpk.hpk_errval > 0)
+ hpk.hpk_flags |= HP_FLAG_COMPLETED;
+ rc = obd_iocontrol(LL_IOC_HSM_PROGRESS, sbi->ll_md_exp, sizeof(hpk),
+ &hpk, NULL);
+
+ RETURN(rc);
+}
- OBD_ALLOC(ptr, len);
- if (ptr == NULL)
- return -ENOMEM;
- if (cfs_copy_from_user(ptr, data, len)) {
- OBD_FREE(ptr, len);
- return -EFAULT;
- }
- rc = obd_iocontrol(cmd, exp, len, data, NULL);
- OBD_FREE(ptr, len);
- return rc;
+/**
+ * Generic handler to do any post-copy work.
+ *
+ * It will send the last hsm_progress update to coordinator to inform it
+ * that copy is finished and whether it was successful or not.
+ *
+ * Moreover,
+ * - for ARCHIVE request, it will sample the file data version and compare it
+ * with the version saved in ll_ioc_copy_start(). If they do not match, copy
+ * will be considered as failed.
+ * - for RESTORE request, it will sample the file data version and send it to
+ * coordinator which is useful if the file was imported as 'released'.
+ *
+ * \return 0 on success.
+ */
+static int ll_ioc_copy_end(struct super_block *sb, struct hsm_copy *copy)
+{
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct hsm_progress_kernel hpk;
+ int rc;
+ ENTRY;
+
+ /* If you modify the logic here, also check llapi_hsm_copy_end(). */
+ /* Take care: copy->hc_hai.hai_action, len, gid and data are not
+ * initialized if copy_end was called with copy == NULL.
+ */
+
+ /* Forge a hsm_progress based on data from copy. */
+ hpk.hpk_fid = copy->hc_hai.hai_fid;
+ hpk.hpk_cookie = copy->hc_hai.hai_cookie;
+ hpk.hpk_extent = copy->hc_hai.hai_extent;
+ hpk.hpk_flags = copy->hc_flags | HP_FLAG_COMPLETED;
+ hpk.hpk_errval = copy->hc_errval;
+ hpk.hpk_data_version = 0;
+
+ /* For archive request, we need to check the file data was not changed.
+ *
+ * For restore request, we need to send the file data version, this is
+ * useful when the file was created using hsm_import.
+ */
+ if (((copy->hc_hai.hai_action == HSMA_ARCHIVE) ||
+ (copy->hc_hai.hai_action == HSMA_RESTORE)) &&
+ (copy->hc_errval == 0)) {
+ struct inode *inode;
+ __u64 data_version = 0;
+
+ /* Get lsm for this fid */
+ inode = search_inode_for_lustre(sb, ©->hc_hai.hai_fid);
+ if (IS_ERR(inode)) {
+ hpk.hpk_flags |= HP_FLAG_RETRY;
+ /* hpk_errval must be >= 0 */
+ hpk.hpk_errval = -PTR_ERR(inode);
+ GOTO(progress, rc = PTR_ERR(inode));
+ }
+
+ rc = ll_data_version(inode, &data_version, LL_DV_RD_FLUSH);
+ iput(inode);
+ if (rc) {
+ CDEBUG(D_HSM, "Could not read file data version. "
+ "Request could not be confirmed.\n");
+ if (hpk.hpk_errval == 0)
+ hpk.hpk_errval = -rc;
+ GOTO(progress, rc);
+ }
+
+ /* Store it the hsm_copy for later copytool use.
+ * Always modified even if no lsm. */
+ hpk.hpk_data_version = data_version;
+
+ /* File could have been stripped during archiving, so we need
+ * to check anyway. */
+ if ((copy->hc_hai.hai_action == HSMA_ARCHIVE) &&
+ (copy->hc_data_version != data_version)) {
+ CDEBUG(D_HSM, "File data version mismatched. "
+ "File content was changed during archiving. "
+ DFID", start:"LPX64" current:"LPX64"\n",
+ PFID(©->hc_hai.hai_fid),
+ copy->hc_data_version, data_version);
+ /* File was changed, send error to cdt. Do not ask for
+ * retry because if a file is modified frequently,
+ * the cdt will loop on retried archive requests.
+ * The policy engine will ask for a new archive later
+ * when the file will not be modified for some tunable
+ * time */
+ /* we do not notify caller */
+ hpk.hpk_flags &= ~HP_FLAG_RETRY;
+ /* hpk_errval must be >= 0 */
+ hpk.hpk_errval = EBUSY;
+ }
+
+ }
+
+progress:
+ rc = obd_iocontrol(LL_IOC_HSM_PROGRESS, sbi->ll_md_exp, sizeof(hpk),
+ &hpk, NULL);
+
+ RETURN(rc);
+}
+
+
+static int copy_and_ioctl(int cmd, struct obd_export *exp,
+ const void __user *data, size_t size)
+{
+ void *copy;
+ int rc;
+
+ OBD_ALLOC(copy, size);
+ if (copy == NULL)
+ return -ENOMEM;
+
+ if (copy_from_user(copy, data, size)) {
+ rc = -EFAULT;
+ goto out;
+ }
+
+ rc = obd_iocontrol(cmd, exp, size, copy, NULL);
+out:
+ OBD_FREE(copy, size);
+
+ return rc;
}
static int quotactl_ioctl(struct ll_sb_info *sbi, struct if_quotactl *qctl)
sbi->ll_flags & LL_SBI_RMT_CLIENT)
RETURN(-EPERM);
break;
- case Q_GETQUOTA:
- if (((type == USRQUOTA && cfs_curproc_euid() != id) ||
- (type == GRPQUOTA && !in_egroup_p(id))) &&
- (!cfs_capable(CFS_CAP_SYS_ADMIN) ||
- sbi->ll_flags & LL_SBI_RMT_CLIENT))
- RETURN(-EPERM);
+ case Q_GETQUOTA:
+ if (((type == USRQUOTA && current_euid() != id) ||
+ (type == GRPQUOTA && !in_egroup_p(id))) &&
+ (!cfs_capable(CFS_CAP_SYS_ADMIN) ||
+ sbi->ll_flags & LL_SBI_RMT_CLIENT))
+ RETURN(-EPERM);
break;
case Q_GETINFO:
break;
RETURN(rc);
}
+static char *
+ll_getname(const char __user *filename)
+{
+ int ret = 0, len;
+ char *tmp = __getname();
+
+ if (!tmp)
+ return ERR_PTR(-ENOMEM);
+
+ len = strncpy_from_user(tmp, filename, PATH_MAX);
+ if (len == 0)
+ ret = -ENOENT;
+ else if (len > PATH_MAX)
+ ret = -ENAMETOOLONG;
+
+ if (ret) {
+ __putname(tmp);
+ tmp = ERR_PTR(ret);
+ }
+ return tmp;
+}
+
+#define ll_putname(filename) __putname(filename)
+
static long ll_dir_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct inode *inode = file->f_dentry->d_inode;
int rc = 0;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p), cmd=%#x\n",
- inode->i_ino, inode->i_generation, inode, cmd);
+ 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 */
obd_ioctl_freedata(buf, len);
return rc;
}
+ case LL_IOC_LMV_SETSTRIPE: {
+ struct lmv_user_md *lum;
+ char *buf = NULL;
+ char *filename;
+ int namelen = 0;
+ int lumlen = 0;
+ int len;
+ int rc;
+
+ rc = obd_ioctl_getdata(&buf, &len, (void *)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);
+
+ filename = data->ioc_inlbuf1;
+ namelen = data->ioc_inllen1;
+
+ if (namelen < 1) {
+ CDEBUG(D_INFO, "IOC_MDC_LOOKUP missing filename\n");
+ GOTO(lmv_out_free, rc = -EINVAL);
+ }
+ lum = (struct lmv_user_md *)data->ioc_inlbuf2;
+ lumlen = data->ioc_inllen2;
+
+ if (lum->lum_magic != LMV_USER_MAGIC ||
+ lumlen != sizeof(*lum)) {
+ CERROR("%s: wrong lum magic %x or size %d: rc = %d\n",
+ filename, lum->lum_magic, lumlen, -EFAULT);
+ GOTO(lmv_out_free, rc = -EINVAL);
+ }
+
+ /**
+ * ll_dir_setdirstripe will be used to set dir stripe
+ * mdc_create--->mdt_reint_create (with dirstripe)
+ */
+ rc = ll_dir_setdirstripe(inode, lum, filename);
+lmv_out_free:
+ obd_ioctl_freedata(buf, len);
+ RETURN(rc);
+
+ }
case LL_IOC_LOV_SETSTRIPE: {
struct lov_user_md_v3 lumv3;
struct lov_user_md_v1 *lumv1 = (struct lov_user_md_v1 *)&lumv3;
LASSERT(sizeof(lumv3.lmm_objects[0]) ==
sizeof(lumv3p->lmm_objects[0]));
/* first try with v1 which is smaller than v3 */
- if (cfs_copy_from_user(lumv1, lumv1p, sizeof(*lumv1)))
+ if (copy_from_user(lumv1, lumv1p, sizeof(*lumv1)))
RETURN(-EFAULT);
- if (lumv1->lmm_magic == LOV_USER_MAGIC_V3) {
- if (cfs_copy_from_user(&lumv3, lumv3p, sizeof(lumv3)))
+ if ((lumv1->lmm_magic == LOV_USER_MAGIC_V3) ) {
+ if (copy_from_user(&lumv3, lumv3p, sizeof(lumv3)))
RETURN(-EFAULT);
}
RETURN(rc);
}
+ case LL_IOC_LMV_GETSTRIPE: {
+ struct lmv_user_md *lump = (struct lmv_user_md *)arg;
+ struct lmv_user_md lum;
+ struct lmv_user_md *tmp;
+ int lum_size;
+ int rc = 0;
+ int mdtindex;
+
+ if (copy_from_user(&lum, lump, sizeof(struct lmv_user_md)))
+ RETURN(-EFAULT);
+
+ if (lum.lum_magic != LMV_MAGIC_V1)
+ RETURN(-EINVAL);
+
+ lum_size = lmv_user_md_size(1, LMV_MAGIC_V1);
+ OBD_ALLOC(tmp, lum_size);
+ if (tmp == NULL)
+ GOTO(free_lmv, rc = -ENOMEM);
+
+ memcpy(tmp, &lum, sizeof(lum));
+ tmp->lum_type = LMV_STRIPE_TYPE;
+ tmp->lum_stripe_count = 1;
+ mdtindex = ll_get_mdt_idx(inode);
+ if (mdtindex < 0)
+ GOTO(free_lmv, rc = -ENOMEM);
+
+ tmp->lum_stripe_offset = mdtindex;
+ tmp->lum_objects[0].lum_mds = mdtindex;
+ memcpy(&tmp->lum_objects[0].lum_fid, ll_inode2fid(inode),
+ sizeof(struct lu_fid));
+ if (copy_to_user((void *)arg, tmp, lum_size))
+ GOTO(free_lmv, rc = -EFAULT);
+free_lmv:
+ if (tmp)
+ OBD_FREE(tmp, lum_size);
+ RETURN(rc);
+ }
+ case LL_IOC_REMOVE_ENTRY: {
+ char *filename = NULL;
+ int namelen = 0;
+ int rc;
+
+ /* Here is a little hack to avoid sending REINT_RMENTRY to
+ * unsupported server, which might crash the server(LU-2730),
+ * Because both LVB_TYPE and REINT_RMENTRY will be supported
+ * on 2.4, we use OBD_CONNECT_LVB_TYPE to detect whether the
+ * server will support REINT_RMENTRY XXX*/
+ if (!(exp_connect_flags(sbi->ll_md_exp) & OBD_CONNECT_LVB_TYPE))
+ RETURN(-ENOTSUPP);
+
+ filename = ll_getname((const char *)arg);
+ if (IS_ERR(filename))
+ RETURN(PTR_ERR(filename));
+
+ namelen = strlen(filename);
+ if (namelen < 1)
+ GOTO(out_rmdir, rc = -EINVAL);
+
+ rc = ll_rmdir_entry(inode, filename, namelen);
+out_rmdir:
+ if (filename)
+ ll_putname(filename);
+ RETURN(rc);
+ }
+ case LL_IOC_LOV_SWAP_LAYOUTS:
+ RETURN(-EPERM);
case LL_IOC_OBD_STATFS:
RETURN(ll_obd_statfs(inode, (void *)arg));
case LL_IOC_LOV_GETSTRIPE:
if (cmd == IOC_MDC_GETFILEINFO ||
cmd == IOC_MDC_GETFILESTRIPE) {
- filename = getname((const char *)arg);
+ filename = ll_getname((const char *)arg);
if (IS_ERR(filename))
RETURN(PTR_ERR(filename));
lmdp = (struct lov_user_mds_data *)arg;
lump = &lmdp->lmd_lmm;
}
- if (cfs_copy_to_user(lump, lmm, lmmsize)) {
- if (cfs_copy_to_user(lump, lmm, sizeof(*lump)))
+ if (copy_to_user(lump, lmm, lmmsize)) {
+ if (copy_to_user(lump, lmm, sizeof(*lump)))
GOTO(out_req, rc = -EFAULT);
rc = -EOVERFLOW;
}
st.st_gid = body->gid;
st.st_rdev = body->rdev;
st.st_size = body->size;
- st.st_blksize = CFS_PAGE_SIZE;
+ st.st_blksize = PAGE_CACHE_SIZE;
st.st_blocks = body->blocks;
st.st_atime = body->atime;
st.st_mtime = body->mtime;
st.st_ino = inode->i_ino;
lmdp = (struct lov_user_mds_data *)arg;
- if (cfs_copy_to_user(&lmdp->lmd_st, &st, sizeof(st)))
+ if (copy_to_user(&lmdp->lmd_st, &st, sizeof(st)))
GOTO(out_req, rc = -EFAULT);
}
out_req:
ptlrpc_req_finished(request);
if (filename)
- putname(filename);
+ ll_putname(filename);
return rc;
}
case IOC_LOV_GETINFO: {
if (rc)
RETURN(rc);
- OBD_ALLOC_LARGE(lmm, lmmsize);
- if (cfs_copy_from_user(lmm, lum, lmmsize))
- GOTO(free_lmm, rc = -EFAULT);
+ OBD_ALLOC_LARGE(lmm, lmmsize);
+ if (lmm == NULL)
+ RETURN(-ENOMEM);
+
+ if (copy_from_user(lmm, lum, lmmsize))
+ GOTO(free_lmm, rc = -EFAULT);
switch (lmm->lmm_magic) {
case LOV_USER_MAGIC_V1:
if (rc)
GOTO(free_lsm, rc);
- if (cfs_copy_to_user(&lumd->lmd_st, &st, sizeof(st)))
+ if (copy_to_user(&lumd->lmd_st, &st, sizeof(st)))
GOTO(free_lsm, rc = -EFAULT);
EXIT;
NULL);
if (rc) {
CDEBUG(D_QUOTA, "mdc ioctl %d failed: %d\n", cmd, rc);
- if (cfs_copy_to_user((void *)arg, check,
+ if (copy_to_user((void *)arg, check,
sizeof(*check)))
- CDEBUG(D_QUOTA, "cfs_copy_to_user failed\n");
+ CDEBUG(D_QUOTA, "copy_to_user failed\n");
GOTO(out_poll, rc);
}
NULL);
if (rc) {
CDEBUG(D_QUOTA, "osc ioctl %d failed: %d\n", cmd, rc);
- if (cfs_copy_to_user((void *)arg, check,
+ if (copy_to_user((void *)arg, check,
sizeof(*check)))
- CDEBUG(D_QUOTA, "cfs_copy_to_user failed\n");
+ CDEBUG(D_QUOTA, "copy_to_user failed\n");
GOTO(out_poll, rc);
}
out_poll:
if (!qctl_20)
GOTO(out_quotactl_18, rc = -ENOMEM);
- if (cfs_copy_from_user(qctl_18, (void *)arg, sizeof(*qctl_18)))
+ if (copy_from_user(qctl_18, (void *)arg, sizeof(*qctl_18)))
GOTO(out_quotactl_20, rc = -ENOMEM);
QCTL_COPY(qctl_20, qctl_18);
QCTL_COPY(qctl_18, qctl_20);
qctl_18->obd_uuid = qctl_20->obd_uuid;
- if (cfs_copy_to_user((void *)arg, qctl_18,
+ if (copy_to_user((void *)arg, qctl_18,
sizeof(*qctl_18)))
rc = -EFAULT;
}
if (!qctl)
RETURN(-ENOMEM);
- if (cfs_copy_from_user(qctl, (void *)arg, sizeof(*qctl)))
+ if (copy_from_user(qctl, (void *)arg, sizeof(*qctl)))
GOTO(out_quotactl, rc = -EFAULT);
rc = quotactl_ioctl(sbi, qctl);
- if (rc == 0 && cfs_copy_to_user((void *)arg,qctl,sizeof(*qctl)))
+ if (rc == 0 && copy_to_user((void *)arg, qctl, sizeof(*qctl)))
rc = -EFAULT;
out_quotactl:
inode == inode->i_sb->s_root->d_inode) {
struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
- LASSERT(fd != NULL);
- rc = rct_add(&sbi->ll_rct, cfs_curproc_pid(), arg);
- if (!rc)
- fd->fd_flags |= LL_FILE_RMTACL;
- RETURN(rc);
+ LASSERT(fd != NULL);
+ rc = rct_add(&sbi->ll_rct, current_pid(), arg);
+ if (!rc)
+ fd->fd_flags |= LL_FILE_RMTACL;
+ RETURN(rc);
} else
RETURN(0);
}
int count, vallen;
struct obd_export *exp;
- if (cfs_copy_from_user(&count, (int *)arg, sizeof(int)))
+ if (copy_from_user(&count, (int *)arg, sizeof(int)))
RETURN(-EFAULT);
/* get ost count when count is zero, get mdt count otherwise */
RETURN(rc);
}
- if (cfs_copy_to_user((int *)arg, &count, sizeof(int)))
+ if (copy_to_user((int *)arg, &count, sizeof(int)))
RETURN(-EFAULT);
RETURN(0);
}
case LL_IOC_PATH2FID:
- if (cfs_copy_to_user((void *)arg, ll_inode2fid(inode),
+ if (copy_to_user((void *)arg, ll_inode2fid(inode),
sizeof(struct lu_fid)))
RETURN(-EFAULT);
RETURN(0);
sizeof(struct ioc_changelog));
RETURN(rc);
case OBD_IOC_FID2PATH:
- RETURN(ll_fid2path(ll_i2mdexp(inode), (void *)arg));
- case LL_IOC_HSM_CT_START:
- rc = copy_and_ioctl(cmd, sbi->ll_md_exp, (void *)arg,
- sizeof(struct lustre_kernelcomm));
- RETURN(rc);
-
- default:
- RETURN(obd_iocontrol(cmd, sbi->ll_dt_exp,0,NULL,(void *)arg));
- }
+ RETURN(ll_fid2path(inode, (void *)arg));
+ case LL_IOC_HSM_REQUEST: {
+ struct hsm_user_request *hur;
+ int totalsize;
+
+ OBD_ALLOC_PTR(hur);
+ if (hur == NULL)
+ RETURN(-ENOMEM);
+
+ /* We don't know the true size yet; copy the fixed-size part */
+ if (copy_from_user(hur, (void *)arg, sizeof(*hur))) {
+ OBD_FREE_PTR(hur);
+ RETURN(-EFAULT);
+ }
+
+ /* Compute the whole struct size */
+ totalsize = hur_len(hur);
+ OBD_FREE_PTR(hur);
+
+ /* Make sure the size is reasonable */
+ if (totalsize >= MDS_MAXREQSIZE)
+ RETURN(-E2BIG);
+
+ OBD_ALLOC_LARGE(hur, totalsize);
+ if (hur == NULL)
+ RETURN(-ENOMEM);
+
+ /* Copy the whole struct */
+ if (copy_from_user(hur, (void *)arg, totalsize)) {
+ OBD_FREE_LARGE(hur, totalsize);
+ RETURN(-EFAULT);
+ }
+
+ if (hur->hur_request.hr_action == HUA_RELEASE) {
+ const struct lu_fid *fid;
+ struct inode *f;
+ int i;
+
+ for (i = 0; i < hur->hur_request.hr_itemcount; i++) {
+ fid = &hur->hur_user_item[i].hui_fid;
+ f = search_inode_for_lustre(inode->i_sb, fid);
+ if (IS_ERR(f)) {
+ rc = PTR_ERR(f);
+ break;
+ }
+
+ rc = ll_hsm_release(f);
+ iput(f);
+ if (rc != 0)
+ break;
+ }
+ } else {
+ rc = obd_iocontrol(cmd, ll_i2mdexp(inode), totalsize,
+ hur, NULL);
+ }
+
+ OBD_FREE_LARGE(hur, totalsize);
+
+ RETURN(rc);
+ }
+ case LL_IOC_HSM_PROGRESS: {
+ struct hsm_progress_kernel hpk;
+ struct hsm_progress hp;
+
+ if (copy_from_user(&hp, (void *)arg, sizeof(hp)))
+ RETURN(-EFAULT);
+
+ hpk.hpk_fid = hp.hp_fid;
+ hpk.hpk_cookie = hp.hp_cookie;
+ hpk.hpk_extent = hp.hp_extent;
+ hpk.hpk_flags = hp.hp_flags;
+ hpk.hpk_errval = hp.hp_errval;
+ hpk.hpk_data_version = 0;
+
+ /* File may not exist in Lustre; all progress
+ * reported to Lustre root */
+ rc = obd_iocontrol(cmd, sbi->ll_md_exp, sizeof(hpk), &hpk,
+ NULL);
+ RETURN(rc);
+ }
+ case LL_IOC_HSM_CT_START:
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ RETURN(-EPERM);
+
+ rc = copy_and_ioctl(cmd, sbi->ll_md_exp, (void *)arg,
+ sizeof(struct lustre_kernelcomm));
+ RETURN(rc);
+
+ case LL_IOC_HSM_COPY_START: {
+ struct hsm_copy *copy;
+ int rc;
+
+ OBD_ALLOC_PTR(copy);
+ if (copy == NULL)
+ RETURN(-ENOMEM);
+ if (copy_from_user(copy, (char *)arg, sizeof(*copy))) {
+ OBD_FREE_PTR(copy);
+ RETURN(-EFAULT);
+ }
+
+ rc = ll_ioc_copy_start(inode->i_sb, copy);
+ if (copy_to_user((char *)arg, copy, sizeof(*copy)))
+ rc = -EFAULT;
+
+ OBD_FREE_PTR(copy);
+ RETURN(rc);
+ }
+ case LL_IOC_HSM_COPY_END: {
+ struct hsm_copy *copy;
+ int rc;
+
+ OBD_ALLOC_PTR(copy);
+ if (copy == NULL)
+ RETURN(-ENOMEM);
+ if (copy_from_user(copy, (char *)arg, sizeof(*copy))) {
+ OBD_FREE_PTR(copy);
+ RETURN(-EFAULT);
+ }
+
+ rc = ll_ioc_copy_end(inode->i_sb, copy);
+ if (copy_to_user((char *)arg, copy, sizeof(*copy)))
+ rc = -EFAULT;
+
+ OBD_FREE_PTR(copy);
+ RETURN(rc);
+ }
+ default:
+ RETURN(obd_iocontrol(cmd, sbi->ll_dt_exp, 0, NULL,
+ (void *)arg));
+ }
}
static loff_t ll_dir_seek(struct file *file, loff_t offset, int origin)
loff_t ret = -EINVAL;
ENTRY;
- cfs_mutex_lock(&inode->i_mutex);
+ mutex_lock(&inode->i_mutex);
switch (origin) {
case SEEK_SET:
break;
if (offset != file->f_pos) {
if ((api32 && offset == LL_DIR_END_OFF_32BIT) ||
(!api32 && offset == LL_DIR_END_OFF))
- fd->fd_dir.lfd_pos = MDS_DIR_END_OFF;
+ fd->lfd_pos = MDS_DIR_END_OFF;
else if (api32 && sbi->ll_flags & LL_SBI_64BIT_HASH)
- fd->fd_dir.lfd_pos = offset << 32;
+ fd->lfd_pos = offset << 32;
else
- fd->fd_dir.lfd_pos = offset;
+ fd->lfd_pos = offset;
file->f_pos = offset;
file->f_version = 0;
}
GOTO(out, ret);
out:
- cfs_mutex_unlock(&inode->i_mutex);
+ mutex_unlock(&inode->i_mutex);
return ret;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff