* 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, 2012, 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/smp_lock.h>
#include <asm/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 <lustre_lib.h>
#include <lustre_fid.h>
#include "llite_internal.h"
-#ifndef HAVE_PAGE_CHECKED
-#ifdef HAVE_PG_FS_MISC
-#define PageChecked(page) test_bit(PG_fs_misc, &(page)->flags)
-#define SetPageChecked(page) set_bit(PG_fs_misc, &(page)->flags)
-#else
-#error PageChecked or PageFsMisc not defined in kernel
-#endif
-#endif
-
/*
* (new) readdir implementation overview.
*
*/
/* 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 ptlrpc_request *request;
struct mdt_body *body;
struct md_op_data *op_data;
- __u64 hash;
+ __u64 hash = *((__u64 *)_hash);
struct page **page_pool;
struct page *page;
#ifndef HAVE_ADD_TO_PAGE_CACHE_LRU
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);
+ LASSERT(max_pages > 0 && max_pages <= MD_MAX_BRW_PAGES);
OBD_ALLOC(page_pool, sizeof(page) * max_pages);
if (page_pool != NULL) {
offset = hash_x_index(hash, hash64);
- prefetchw(&page->flags);
- ret = ll_add_to_page_cache_lru(page, inode->i_mapping, offset,
- GFP_KERNEL);
+ prefetchw(&page->flags);
+ ret = add_to_page_cache_lru(page, inode->i_mapping, offset,
+ GFP_KERNEL);
if (ret == 0) {
unlock_page(page);
- page_cache_get(page);
if (ll_pagevec_add(&lru_pvec, page) == 0)
ll_pagevec_lru_add_file(&lru_pvec);
} else {
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 */
* 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)) {
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,
+ .ei_cb_gl = NULL,
+ .ei_cb_wg = NULL,
+ .ei_cbdata = NULL};
+ 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);
+ }
+
+ CDEBUG(D_INODE, "setting lr_lvb_inode to inode %p (%lu/%u)\n",
+ dir, dir->i_ino, dir->i_generation);
+ 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 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 = lfd->lfd_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;
+
+ 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 = ll_dir_read(inode, &pos, cookie, filldir);
+ 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
+ path.mnt = filp->f_vfsmnt;
+ 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,
+ cfs_curproc_fsuid(), cfs_curproc_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;
-
- /* 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;
+ 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 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,
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;
}
+/**
+ * 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)
+{
+ 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, 1);
+ 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:
+ rc = obd_iocontrol(LL_IOC_HSM_PROGRESS, sbi->ll_md_exp, sizeof(hpk),
+ &hpk, NULL);
+
+ 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,
+ copy->hc_hai.hai_action == HSMA_ARCHIVE);
+ 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, void *data, int len)
{
void *ptr;
RETURN(rc);
}
-#ifdef HAVE_UNLOCKED_IOCTL
static long ll_dir_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-#else
-static int ll_dir_ioctl(struct inode *unuse, struct file *file,
- unsigned int cmd, unsigned long arg)
-#endif
{
struct inode *inode = file->f_dentry->d_inode;
struct ll_sb_info *sbi = ll_i2sbi(inode);
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;
if (cfs_copy_from_user(lumv1, lumv1p, sizeof(*lumv1)))
RETURN(-EFAULT);
- if (lumv1->lmm_magic == LOV_USER_MAGIC_V3) {
+ if ((lumv1->lmm_magic == LOV_USER_MAGIC_V3) ) {
if (cfs_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 = 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)
+ 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:
return rc;
}
case OBD_IOC_LLOG_CATINFO: {
- struct ptlrpc_request *req = NULL;
- char *buf = NULL;
- char *str;
- int len = 0;
-
- rc = obd_ioctl_getdata(&buf, &len, (void *)arg);
- if (rc)
- RETURN(rc);
- data = (void *)buf;
-
- if (!data->ioc_inlbuf1) {
- obd_ioctl_freedata(buf, len);
- RETURN(-EINVAL);
- }
-
- req = ptlrpc_request_alloc(sbi2mdc(sbi)->cl_import,
- &RQF_LLOG_CATINFO);
- if (req == NULL)
- GOTO(out_catinfo, rc = -ENOMEM);
-
- req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
- data->ioc_inllen1);
- req_capsule_set_size(&req->rq_pill, &RMF_STRING, RCL_CLIENT,
- data->ioc_inllen2);
-
- rc = ptlrpc_request_pack(req, LUSTRE_LOG_VERSION, LLOG_CATINFO);
- if (rc) {
- ptlrpc_request_free(req);
- GOTO(out_catinfo, rc);
- }
-
- str = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
- memcpy(str, data->ioc_inlbuf1, data->ioc_inllen1);
- if (data->ioc_inllen2) {
- str = req_capsule_client_get(&req->rq_pill,
- &RMF_STRING);
- memcpy(str, data->ioc_inlbuf2, data->ioc_inllen2);
- }
-
- req_capsule_set_size(&req->rq_pill, &RMF_STRING, RCL_SERVER,
- data->ioc_plen1);
- ptlrpc_request_set_replen(req);
-
- rc = ptlrpc_queue_wait(req);
- if (!rc) {
- str = req_capsule_server_get(&req->rq_pill,
- &RMF_STRING);
- if (cfs_copy_to_user(data->ioc_pbuf1, str,
- data->ioc_plen1))
- rc = -EFAULT;
- }
- ptlrpc_req_finished(req);
- out_catinfo:
- obd_ioctl_freedata(buf, len);
- RETURN(rc);
+ RETURN(-EOPNOTSUPP);
}
case OBD_IOC_QUOTACHECK: {
struct obd_quotactl *oqctl;
OBD_FREE_PTR(check);
RETURN(rc);
}
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2,7,50,0)
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 50, 0)
case LL_IOC_QUOTACTL_18: {
/* copy the old 1.x quota struct for internal use, then copy
* back into old format struct. For 1.8 compatibility. */
}
#else
#warning "remove old LL_IOC_QUOTACTL_18 compatibility code"
-#endif /* LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2,7,50,0) */
+#endif /* LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 50, 0) */
case LL_IOC_QUOTACTL: {
struct if_quotactl *qctl;
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 (cfs_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);
+ OBD_ALLOC_LARGE(hur, totalsize);
+ if (hur == NULL)
+ RETURN(-ENOMEM);
+
+ /* Copy the whole struct */
+ if (cfs_copy_from_user(hur, (void *)arg, totalsize)) {
+ OBD_FREE_LARGE(hur, totalsize);
+ RETURN(-EFAULT);
+ }
+
+ 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 (cfs_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:
+ 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 (cfs_copy_from_user(copy, (char *)arg, sizeof(*copy))) {
+ OBD_FREE_PTR(copy);
+ RETURN(-EFAULT);
+ }
+
+ rc = ll_ioc_copy_start(inode->i_sb, copy);
+ if (cfs_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 (cfs_copy_from_user(copy, (char *)arg, sizeof(*copy))) {
+ OBD_FREE_PTR(copy);
+ RETURN(-EFAULT);
+ }
+
+ rc = ll_ioc_copy_end(inode->i_sb, copy);
+ if (cfs_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;
}
.release = ll_dir_release,
.read = generic_read_dir,
.readdir = ll_readdir,
-#ifdef HAVE_UNLOCKED_IOCTL
.unlocked_ioctl = ll_dir_ioctl,
-#else
- .ioctl = ll_dir_ioctl,
-#endif
.fsync = ll_fsync,
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff