* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_LLITE
#include <linux/module.h>
+#include <linux/statfs.h>
#include <linux/types.h>
#include <linux/version.h>
#include <linux/mm.h>
-#include <lustre_lite.h>
+#include <lustre_ioctl.h>
#include <lustre_ha.h>
#include <lustre_dlm.h>
#include <lprocfs_status.h>
struct kmem_cache *ll_file_data_slab;
-CFS_LIST_HEAD(ll_super_blocks);
-DEFINE_SPINLOCK(ll_sb_lock);
-
-#ifndef MS_HAS_NEW_AOPS
-extern struct address_space_operations ll_aops;
-#else
-extern struct address_space_operations_ext ll_aops;
-#endif
+static struct list_head ll_super_blocks = LIST_HEAD_INIT(ll_super_blocks);
+static DEFINE_SPINLOCK(ll_sb_lock);
#ifndef log2
#define log2(n) ffz(~(n))
struct ll_sb_info *sbi = NULL;
unsigned long pages;
unsigned long lru_page_max;
- struct sysinfo si;
- class_uuid_t uuid;
- int i;
- ENTRY;
+ struct sysinfo si;
+ class_uuid_t uuid;
+ int i;
+ ENTRY;
- OBD_ALLOC(sbi, sizeof(*sbi));
- if (!sbi)
- RETURN(NULL);
+ OBD_ALLOC_PTR(sbi);
+ if (sbi == NULL)
+ RETURN(NULL);
spin_lock_init(&sbi->ll_lock);
mutex_init(&sbi->ll_lco.lco_lock);
si_meminfo(&si);
pages = si.totalram - si.totalhigh;
- if (pages >> (20 - PAGE_CACHE_SHIFT) < 512) {
- lru_page_max = pages / 2;
- } else {
- lru_page_max = (pages / 4) * 3;
- }
+ lru_page_max = pages / 2;
- /* initialize lru data */
- cfs_atomic_set(&sbi->ll_cache.ccc_users, 0);
+ /* initialize ll_cache data */
+ atomic_set(&sbi->ll_cache.ccc_users, 0);
sbi->ll_cache.ccc_lru_max = lru_page_max;
- cfs_atomic_set(&sbi->ll_cache.ccc_lru_left, lru_page_max);
+ atomic_long_set(&sbi->ll_cache.ccc_lru_left, lru_page_max);
spin_lock_init(&sbi->ll_cache.ccc_lru_lock);
- CFS_INIT_LIST_HEAD(&sbi->ll_cache.ccc_lru);
+ INIT_LIST_HEAD(&sbi->ll_cache.ccc_lru);
+
+ /* turn unstable check off by default as it impacts performance */
+ sbi->ll_cache.ccc_unstable_check = 0;
+ atomic_long_set(&sbi->ll_cache.ccc_unstable_nr, 0);
+ init_waitqueue_head(&sbi->ll_cache.ccc_unstable_waitq);
- sbi->ll_ra_info.ra_max_pages_per_file = min(pages / 32,
- SBI_DEFAULT_READAHEAD_MAX);
- sbi->ll_ra_info.ra_max_pages = sbi->ll_ra_info.ra_max_pages_per_file;
- sbi->ll_ra_info.ra_max_read_ahead_whole_pages =
- SBI_DEFAULT_READAHEAD_WHOLE_MAX;
- CFS_INIT_LIST_HEAD(&sbi->ll_conn_chain);
- CFS_INIT_LIST_HEAD(&sbi->ll_orphan_dentry_list);
+ sbi->ll_ra_info.ra_max_pages_per_file = min(pages / 32,
+ SBI_DEFAULT_READAHEAD_MAX);
+ sbi->ll_ra_info.ra_max_pages = sbi->ll_ra_info.ra_max_pages_per_file;
+ sbi->ll_ra_info.ra_max_read_ahead_whole_pages =
+ SBI_DEFAULT_READAHEAD_WHOLE_MAX;
+ INIT_LIST_HEAD(&sbi->ll_conn_chain);
+ INIT_LIST_HEAD(&sbi->ll_orphan_dentry_list);
ll_generate_random_uuid(uuid);
class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
CDEBUG(D_CONFIG, "generated uuid: %s\n", sbi->ll_sb_uuid.uuid);
spin_lock(&ll_sb_lock);
- cfs_list_add_tail(&sbi->ll_list, &ll_super_blocks);
+ list_add_tail(&sbi->ll_list, &ll_super_blocks);
spin_unlock(&ll_sb_lock);
sbi->ll_flags |= LL_SBI_VERBOSE;
pp_w_hist.oh_lock);
}
- /* metadata statahead is enabled by default */
- sbi->ll_sa_max = LL_SA_RPC_DEF;
- cfs_atomic_set(&sbi->ll_sa_total, 0);
- cfs_atomic_set(&sbi->ll_sa_wrong, 0);
- cfs_atomic_set(&sbi->ll_agl_total, 0);
- sbi->ll_flags |= LL_SBI_AGL_ENABLED;
-
- RETURN(sbi);
+ /* metadata statahead is enabled by default */
+ sbi->ll_sa_max = LL_SA_RPC_DEF;
+ atomic_set(&sbi->ll_sa_total, 0);
+ atomic_set(&sbi->ll_sa_wrong, 0);
+ atomic_set(&sbi->ll_sa_running, 0);
+ atomic_set(&sbi->ll_agl_total, 0);
+ sbi->ll_flags |= LL_SBI_AGL_ENABLED;
+
+ /* root squash */
+ sbi->ll_squash.rsi_uid = 0;
+ sbi->ll_squash.rsi_gid = 0;
+ INIT_LIST_HEAD(&sbi->ll_squash.rsi_nosquash_nids);
+ init_rwsem(&sbi->ll_squash.rsi_sem);
+
+ RETURN(sbi);
}
-void ll_free_sbi(struct super_block *sb)
+static void ll_free_sbi(struct super_block *sb)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
ENTRY;
if (sbi != NULL) {
spin_lock(&ll_sb_lock);
- cfs_list_del(&sbi->ll_list);
+ list_del(&sbi->ll_list);
spin_unlock(&ll_sb_lock);
+ if (!list_empty(&sbi->ll_squash.rsi_nosquash_nids))
+ cfs_free_nidlist(&sbi->ll_squash.rsi_nosquash_nids);
OBD_FREE(sbi, sizeof(*sbi));
}
EXIT;
static int client_common_fill_super(struct super_block *sb, char *md, char *dt,
struct vfsmount *mnt)
{
- struct inode *root = 0;
+ struct inode *root = NULL;
struct ll_sb_info *sbi = ll_s2sbi(sb);
struct obd_device *obd;
struct obd_capa *oc = NULL;
struct obd_uuid *uuid;
struct md_op_data *op_data;
struct lustre_md lmd;
- obd_valid valid;
+ u64 valid;
int size, err, checksum;
ENTRY;
RETURN(-ENOMEM);
}
- if (proc_lustre_fs_root) {
- err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb,
- dt, md);
- if (err < 0)
- CERROR("could not register mount in /proc/fs/lustre\n");
- }
-
/* indicate the features supported by this client */
data->ocd_connect_flags = OBD_CONNECT_IBITS | OBD_CONNECT_NODEVOH |
OBD_CONNECT_ATTRFID |
OBD_CONNECT_JOBSTATS | OBD_CONNECT_LVB_TYPE |
OBD_CONNECT_LAYOUTLOCK | OBD_CONNECT_PINGLESS |
OBD_CONNECT_MAX_EASIZE |
- OBD_CONNECT_FLOCK_DEAD;
+ OBD_CONNECT_FLOCK_DEAD |
+ OBD_CONNECT_DISP_STRIPE | OBD_CONNECT_LFSCK |
+ OBD_CONNECT_OPEN_BY_FID |
+ OBD_CONNECT_DIR_STRIPE;
if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
data->ocd_connect_flags |= OBD_CONNECT_SOM;
sbi->ll_flags |= LL_SBI_64BIT_HASH;
if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE)
- sbi->ll_md_brw_size = data->ocd_brw_size;
+ sbi->ll_md_brw_pages = data->ocd_brw_size >> PAGE_CACHE_SHIFT;
else
- sbi->ll_md_brw_size = PAGE_CACHE_SIZE;
+ sbi->ll_md_brw_pages = 1;
- if (data->ocd_connect_flags & OBD_CONNECT_LAYOUTLOCK) {
- LCONSOLE_INFO("Layout lock feature supported.\n");
+ if (data->ocd_connect_flags & OBD_CONNECT_LAYOUTLOCK)
sbi->ll_flags |= LL_SBI_LAYOUT_LOCK;
- }
if (data->ocd_ibits_known & MDS_INODELOCK_XATTR) {
if (!(data->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)) {
OBD_CONNECT_MAXBYTES |
OBD_CONNECT_EINPROGRESS |
OBD_CONNECT_JOBSTATS | OBD_CONNECT_LVB_TYPE |
- OBD_CONNECT_LAYOUTLOCK | OBD_CONNECT_PINGLESS;
+ OBD_CONNECT_LAYOUTLOCK |
+ OBD_CONNECT_PINGLESS | OBD_CONNECT_LFSCK;
if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
data->ocd_connect_flags |= OBD_CONNECT_SOM;
/* make root inode
* XXX: move this to after cbd setup? */
- valid = OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS | OBD_MD_FLMDSCAPA;
+ valid = OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS | OBD_MD_FLMDSCAPA |
+ OBD_MD_FLMODEASIZE;
if (sbi->ll_flags & LL_SBI_RMT_CLIENT)
valid |= OBD_MD_FLRMTPERM;
else if (sbi->ll_flags & LL_SBI_ACL)
md_free_lustre_md(sbi->ll_md_exp, &lmd);
ptlrpc_req_finished(request);
- if (root == NULL || IS_ERR(root)) {
- if (lmd.lsm)
- obd_free_memmd(sbi->ll_dt_exp, &lmd.lsm);
+ if (IS_ERR(root)) {
+ if (lmd.lsm)
+ obd_free_memmd(sbi->ll_dt_exp, &lmd.lsm);
#ifdef CONFIG_FS_POSIX_ACL
if (lmd.posix_acl) {
posix_acl_release(lmd.posix_acl);
/* s_dev is also used in lt_compare() to compare two fs, but that is
* only a node-local comparison. */
uuid = obd_get_uuid(sbi->ll_md_exp);
- if (uuid != NULL) {
+ if (uuid != NULL)
sb->s_dev = get_uuid2int(uuid->uuid, strlen(uuid->uuid));
- get_uuid2fsid(uuid->uuid, strlen(uuid->uuid), &sbi->ll_fsid);
- }
if (data != NULL)
OBD_FREE_PTR(data);
if (osfs != NULL)
OBD_FREE_PTR(osfs);
+ if (proc_lustre_fs_root != NULL) {
+ err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb,
+ dt, md);
+ if (err < 0) {
+ CERROR("%s: could not register mount in lprocfs: "
+ "rc = %d\n", ll_get_fsname(sb, NULL, 0), err);
+ err = 0;
+ }
+ }
RETURN(err);
out_root:
OBD_FREE_PTR(data);
if (osfs != NULL)
OBD_FREE_PTR(osfs);
- lprocfs_unregister_mountpoint(sbi);
return err;
}
int ll_get_max_mdsize(struct ll_sb_info *sbi, int *lmmsize)
{
- int size, rc;
+ int size, rc;
- *lmmsize = obd_size_diskmd(sbi->ll_dt_exp, NULL);
- size = sizeof(int);
- rc = obd_get_info(NULL, sbi->ll_md_exp, sizeof(KEY_MAX_EASIZE),
- KEY_MAX_EASIZE, &size, lmmsize, NULL);
- if (rc)
- CERROR("Get max mdsize error rc %d \n", rc);
+ *lmmsize = obd_size_diskmd(sbi->ll_dt_exp, NULL);
+ size = sizeof(int);
+ rc = obd_get_info(NULL, sbi->ll_md_exp, sizeof(KEY_MAX_EASIZE),
+ KEY_MAX_EASIZE, &size, lmmsize, NULL);
+ if (rc)
+ CERROR("Get max mdsize error rc %d\n", rc);
- RETURN(rc);
+ RETURN(rc);
+}
+
+/**
+ * Get the value of the default_easize parameter.
+ *
+ * \see client_obd::cl_default_mds_easize
+ *
+ * \param[in] sbi superblock info for this filesystem
+ * \param[out] lmmsize pointer to storage location for value
+ *
+ * \retval 0 on success
+ * \retval negative negated errno on failure
+ */
+int ll_get_default_mdsize(struct ll_sb_info *sbi, int *lmmsize)
+{
+ int size, rc;
+
+ size = sizeof(int);
+ rc = obd_get_info(NULL, sbi->ll_md_exp, sizeof(KEY_DEFAULT_EASIZE),
+ KEY_DEFAULT_EASIZE, &size, lmmsize, NULL);
+ if (rc)
+ CERROR("Get default mdsize error rc %d\n", rc);
+
+ RETURN(rc);
+}
+
+/**
+ * Set the default_easize parameter to the given value.
+ *
+ * \see client_obd::cl_default_mds_easize
+ *
+ * \param[in] sbi superblock info for this filesystem
+ * \param[in] lmmsize the size to set
+ *
+ * \retval 0 on success
+ * \retval negative negated errno on failure
+ */
+int ll_set_default_mdsize(struct ll_sb_info *sbi, int lmmsize)
+{
+ int rc;
+
+ if (lmmsize < sizeof(struct lov_mds_md) ||
+ lmmsize > OBD_MAX_DEFAULT_EA_SIZE)
+ return -EINVAL;
+
+ rc = obd_set_info_async(NULL, sbi->ll_md_exp,
+ sizeof(KEY_DEFAULT_EASIZE), KEY_DEFAULT_EASIZE,
+ sizeof(int), &lmmsize, NULL);
+
+ RETURN(rc);
+}
+
+int ll_get_max_cookiesize(struct ll_sb_info *sbi, int *lmmsize)
+{
+ int size, rc;
+
+ size = sizeof(int);
+ rc = obd_get_info(NULL, sbi->ll_md_exp, sizeof(KEY_MAX_COOKIESIZE),
+ KEY_MAX_COOKIESIZE, &size, lmmsize, NULL);
+ if (rc)
+ CERROR("Get max cookiesize error rc %d\n", rc);
+
+ RETURN(rc);
+}
+
+int ll_get_default_cookiesize(struct ll_sb_info *sbi, int *lmmsize)
+{
+ int size, rc;
+
+ size = sizeof(int);
+ rc = obd_get_info(NULL, sbi->ll_md_exp, sizeof(KEY_DEFAULT_COOKIESIZE),
+ KEY_DEFAULT_COOKIESIZE, &size, lmmsize, NULL);
+ if (rc)
+ CERROR("Get default cookiesize error rc %d\n", rc);
+
+ RETURN(rc);
}
-void ll_dump_inode(struct inode *inode)
+static void ll_dump_inode(struct inode *inode)
{
struct ll_d_hlist_node *tmp;
int dentry_count = 0;
ll_d_hlist_for_each(tmp, &inode->i_dentry)
dentry_count++;
- CERROR("inode %p dump: dev=%s ino=%lu mode=%o count=%u, %d dentries\n",
- inode, ll_i2mdexp(inode)->exp_obd->obd_name, inode->i_ino,
+ CERROR("%s: inode %p dump: dev=%s fid="DFID
+ " mode=%o count=%u, %d dentries\n",
+ ll_get_fsname(inode->i_sb, NULL, 0), inode,
+ ll_i2mdexp(inode)->exp_obd->obd_name, PFID(ll_inode2fid(inode)),
inode->i_mode, atomic_read(&inode->i_count), dentry_count);
}
" flags=0x%x, fsdata=%p, %d subdirs\n", dentry,
dentry->d_name.len, dentry->d_name.name,
dentry->d_parent->d_name.len, dentry->d_parent->d_name.name,
- dentry->d_parent, dentry->d_inode, d_refcount(dentry),
+ dentry->d_parent, dentry->d_inode, ll_d_count(dentry),
dentry->d_flags, dentry->d_fsdata, subdirs);
if (dentry->d_inode != NULL)
ll_dump_inode(dentry->d_inode);
}
}
-void client_common_put_super(struct super_block *sb)
+static void client_common_put_super(struct super_block *sb)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
ENTRY;
cl_sb_fini(sb);
- cfs_list_del(&sbi->ll_conn_chain);
+ list_del(&sbi->ll_conn_chain);
obd_fid_fini(sbi->ll_dt_exp->exp_obd);
obd_disconnect(sbi->ll_dt_exp);
void ll_kill_super(struct super_block *sb)
{
- struct ll_sb_info *sbi;
-
- ENTRY;
+ struct ll_sb_info *sbi;
+ ENTRY;
/* not init sb ?*/
- if (!(sb->s_flags & MS_ACTIVE))
- return;
+ if (!(sb->s_flags & MS_ACTIVE))
+ return;
- sbi = ll_s2sbi(sb);
- /* we need restore s_dev from changed for clustred NFS before put_super
- * because new kernels have cached s_dev and change sb->s_dev in
- * put_super not affected real removing devices */
+ sbi = ll_s2sbi(sb);
+ /* we need restore s_dev from changed for clustred NFS before put_super
+ * because new kernels have cached s_dev and change sb->s_dev in
+ * put_super not affected real removing devices */
if (sbi) {
sb->s_dev = sbi->ll_sdev_orig;
sbi->ll_umounting = 1;
- }
- EXIT;
-}
-
-char *ll_read_opt(const char *opt, char *data)
-{
- char *value;
- char *retval;
- ENTRY;
- CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
- if (strncmp(opt, data, strlen(opt)))
- RETURN(NULL);
- if ((value = strchr(data, '=')) == NULL)
- RETURN(NULL);
-
- value++;
- OBD_ALLOC(retval, strlen(value) + 1);
- if (!retval) {
- CERROR("out of memory!\n");
- RETURN(NULL);
- }
+ /* wait running statahead threads to quit */
+ while (atomic_read(&sbi->ll_sa_running) > 0)
+ schedule_timeout_and_set_state(TASK_UNINTERRUPTIBLE,
+ msecs_to_jiffies(MSEC_PER_SEC >> 3));
+ }
- memcpy(retval, value, strlen(value)+1);
- CDEBUG(D_SUPER, "Assigned option: %s, value %s\n", opt, retval);
- RETURN(retval);
+ EXIT;
}
static inline int ll_set_opt(const char *opt, char *data, int fl)
*flags &= ~tmp;
goto next;
}
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 5, 50, 0)
- tmp = ll_set_opt("acl", s1, LL_SBI_ACL);
- if (tmp) {
- /* Ignore deprecated mount option. The client will
- * always try to mount with ACL support, whether this
- * is used depends on whether server supports it. */
- LCONSOLE_ERROR_MSG(0x152, "Ignoring deprecated "
- "mount option 'acl'.\n");
- goto next;
- }
- tmp = ll_set_opt("noacl", s1, LL_SBI_ACL);
- if (tmp) {
- LCONSOLE_ERROR_MSG(0x152, "Ignoring deprecated "
- "mount option 'noacl'.\n");
- goto next;
- }
-#else
-#warning "{no}acl options have been deprecated since 1.8, please remove them"
-#endif
- tmp = ll_set_opt("remote_client", s1, LL_SBI_RMT_CLIENT);
- if (tmp) {
- *flags |= tmp;
- goto next;
- }
+ tmp = ll_set_opt("remote_client", s1, LL_SBI_RMT_CLIENT);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
+ }
tmp = ll_set_opt("user_fid2path", s1, LL_SBI_USER_FID2PATH);
if (tmp) {
*flags |= tmp;
lli->lli_posix_acl = NULL;
lli->lli_remote_perms = NULL;
mutex_init(&lli->lli_rmtperm_mutex);
- /* Do not set lli_fid, it has been initialized already. */
- fid_zero(&lli->lli_pfid);
- CFS_INIT_LIST_HEAD(&lli->lli_close_list);
- CFS_INIT_LIST_HEAD(&lli->lli_oss_capas);
- cfs_atomic_set(&lli->lli_open_count, 0);
- lli->lli_mds_capa = NULL;
- lli->lli_rmtperm_time = 0;
- lli->lli_pending_och = NULL;
- lli->lli_mds_read_och = NULL;
+ /* Do not set lli_fid, it has been initialized already. */
+ fid_zero(&lli->lli_pfid);
+ INIT_LIST_HEAD(&lli->lli_close_list);
+ INIT_LIST_HEAD(&lli->lli_oss_capas);
+ atomic_set(&lli->lli_open_count, 0);
+ lli->lli_mds_capa = NULL;
+ lli->lli_rmtperm_time = 0;
+ lli->lli_pending_och = NULL;
+ lli->lli_mds_read_och = NULL;
lli->lli_mds_write_och = NULL;
lli->lli_mds_exec_och = NULL;
lli->lli_open_fd_read_count = 0;
mutex_init(&lli->lli_och_mutex);
spin_lock_init(&lli->lli_agl_lock);
lli->lli_has_smd = false;
- lli->lli_layout_gen = LL_LAYOUT_GEN_NONE;
+ spin_lock_init(&lli->lli_layout_lock);
+ ll_layout_version_set(lli, LL_LAYOUT_GEN_NONE);
lli->lli_clob = NULL;
init_rwsem(&lli->lli_xattrs_list_rwsem);
mutex_init(&lli->lli_readdir_mutex);
lli->lli_opendir_key = NULL;
lli->lli_sai = NULL;
- lli->lli_def_acl = NULL;
spin_lock_init(&lli->lli_sa_lock);
lli->lli_opendir_pid = 0;
+ lli->lli_sa_enabled = 0;
+ lli->lli_def_stripe_offset = -1;
} else {
- sema_init(&lli->lli_size_sem, 1);
- lli->lli_size_sem_owner = NULL;
+ mutex_init(&lli->lli_size_mutex);
lli->lli_symlink_name = NULL;
init_rwsem(&lli->lli_trunc_sem);
- mutex_init(&lli->lli_write_mutex);
+ range_lock_tree_init(&lli->lli_write_tree);
init_rwsem(&lli->lli_glimpse_sem);
lli->lli_glimpse_time = 0;
- CFS_INIT_LIST_HEAD(&lli->lli_agl_list);
+ INIT_LIST_HEAD(&lli->lli_agl_list);
lli->lli_agl_index = 0;
lli->lli_async_rc = 0;
- lli->lli_volatile = false;
}
mutex_init(&lli->lli_layout_mutex);
}
static inline int ll_bdi_register(struct backing_dev_info *bdi)
{
- static atomic_t ll_bdi_num = ATOMIC_INIT(0);
+ static atomic_t ll_bdi_num = ATOMIC_INIT(0);
- bdi->name = "lustre";
- return bdi_register(bdi, NULL, "lustre-%d",
- atomic_inc_return(&ll_bdi_num));
+ bdi->name = "lustre";
+ return bdi_register(bdi, NULL, "lustre-%d",
+ atomic_inc_return(&ll_bdi_num));
}
int ll_fill_super(struct super_block *sb, struct vfsmount *mnt)
if (cfg == NULL)
RETURN(-ENOMEM);
- cfs_module_get();
+ try_module_get(THIS_MODULE);
- /* client additional sb info */
- lsi->lsi_llsbi = sbi = ll_init_sbi();
- if (!sbi) {
- cfs_module_put(THIS_MODULE);
- OBD_FREE_PTR(cfg);
- RETURN(-ENOMEM);
- }
+ /* client additional sb info */
+ lsi->lsi_llsbi = sbi = ll_init_sbi();
+ if (!sbi) {
+ module_put(THIS_MODULE);
+ OBD_FREE_PTR(cfg);
+ RETURN(-ENOMEM);
+ }
err = ll_options(lsi->lsi_lmd->lmd_opts, &sbi->ll_flags);
if (err)
cfg->cfg_callback = class_config_llog_handler;
/* set up client obds */
err = lustre_process_log(sb, profilenm, cfg);
- if (err < 0) {
- CERROR("Unable to process log: %d\n", err);
- GOTO(out_free, err);
- }
+ if (err < 0)
+ GOTO(out_free, err);
/* Profile set with LCFG_MOUNTOPT so we can find our mdc and osc obds */
lprof = class_get_profile(profilenm);
RETURN(err);
} /* ll_fill_super */
-
-void lu_context_keys_dump(void);
-
void ll_put_super(struct super_block *sb)
{
struct config_llog_instance cfg, params_cfg;
struct lustre_sb_info *lsi = s2lsi(sb);
struct ll_sb_info *sbi = ll_s2sbi(sb);
char *profilenm = get_profile_name(sb);
- int force = 1, next;
+ long ccc_count;
+ int next, force = 1, rc = 0;
ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op: sb %p - %s\n", sb, profilenm);
force = obd->obd_force;
}
+ /* Wait for unstable pages to be committed to stable storage */
+ if (force == 0) {
+ struct l_wait_info lwi = LWI_INTR(LWI_ON_SIGNAL_NOOP, NULL);
+ rc = l_wait_event(sbi->ll_cache.ccc_unstable_waitq,
+ atomic_long_read(&sbi->ll_cache.ccc_unstable_nr) == 0,
+ &lwi);
+ }
+
+ ccc_count = atomic_long_read(&sbi->ll_cache.ccc_unstable_nr);
+ if (force == 0 && rc != -EINTR)
+ LASSERTF(ccc_count == 0, "count: %li\n", ccc_count);
+
+
/* We need to set force before the lov_disconnect in
lustre_common_put_super, since l_d cleans up osc's as well. */
if (force) {
ll_free_sbi(sb);
lsi->lsi_llsbi = NULL;
- lustre_common_put_super(sb);
+ lustre_common_put_super(sb);
- cfs_module_put(THIS_MODULE);
+ cl_env_cache_purge(~0);
- EXIT;
+ module_put(THIS_MODULE);
+
+ EXIT;
} /* client_put_super */
struct inode *ll_inode_from_resource_lock(struct ldlm_lock *lock)
return inode;
}
-struct inode *ll_inode_from_lock(struct ldlm_lock *lock)
+static void ll_dir_clear_lsm_md(struct inode *inode)
{
- struct inode *inode = NULL;
- /* NOTE: we depend on atomic igrab() -bzzz */
- lock_res_and_lock(lock);
- if (lock->l_ast_data) {
- struct ll_inode_info *lli = ll_i2info(lock->l_ast_data);
- if (lli->lli_inode_magic == LLI_INODE_MAGIC) {
- inode = igrab(lock->l_ast_data);
- } else {
- inode = lock->l_ast_data;
- LDLM_DEBUG_LIMIT(inode->i_state & I_FREEING ? D_INFO :
- D_WARNING, lock, "l_ast_data %p is "
- "bogus: magic %08x", lock->l_ast_data,
- lli->lli_inode_magic);
- inode = NULL;
- }
- }
- unlock_res_and_lock(lock);
- return inode;
+ struct ll_inode_info *lli = ll_i2info(inode);
+
+ LASSERT(S_ISDIR(inode->i_mode));
+
+ if (lli->lli_lsm_md != NULL) {
+ lmv_free_memmd(lli->lli_lsm_md);
+ lli->lli_lsm_md = NULL;
+ }
+}
+
+static struct inode *ll_iget_anon_dir(struct super_block *sb,
+ const struct lu_fid *fid,
+ struct lustre_md *md)
+{
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct mdt_body *body = md->body;
+ struct inode *inode;
+ ino_t ino;
+ ENTRY;
+
+ ino = cl_fid_build_ino(fid, sbi->ll_flags & LL_SBI_32BIT_API);
+ inode = iget_locked(sb, ino);
+ if (inode == NULL) {
+ CERROR("%s: failed get simple inode "DFID": rc = -ENOENT\n",
+ ll_get_fsname(sb, NULL, 0), PFID(fid));
+ RETURN(ERR_PTR(-ENOENT));
+ }
+
+ if (inode->i_state & I_NEW) {
+ struct ll_inode_info *lli = ll_i2info(inode);
+ struct lmv_stripe_md *lsm = md->lmv;
+
+ inode->i_mode = (inode->i_mode & ~S_IFMT) |
+ (body->mbo_mode & S_IFMT);
+ LASSERTF(S_ISDIR(inode->i_mode), "Not slave inode "DFID"\n",
+ PFID(fid));
+
+ LTIME_S(inode->i_mtime) = 0;
+ LTIME_S(inode->i_atime) = 0;
+ LTIME_S(inode->i_ctime) = 0;
+ inode->i_rdev = 0;
+
+ /* initializing backing dev info. */
+ inode->i_mapping->backing_dev_info =
+ &s2lsi(inode->i_sb)->lsi_bdi;
+ inode->i_op = &ll_dir_inode_operations;
+ inode->i_fop = &ll_dir_operations;
+ lli->lli_fid = *fid;
+ ll_lli_init(lli);
+
+ LASSERT(lsm != NULL);
+ /* master object FID */
+ lli->lli_pfid = body->mbo_fid1;
+ CDEBUG(D_INODE, "lli %p slave "DFID" master "DFID"\n",
+ lli, PFID(fid), PFID(&lli->lli_pfid));
+ unlock_new_inode(inode);
+ }
+
+ RETURN(inode);
+}
+
+static int ll_init_lsm_md(struct inode *inode, struct lustre_md *md)
+{
+ struct lu_fid *fid;
+ struct lmv_stripe_md *lsm = md->lmv;
+ int i;
+
+ LASSERT(lsm != NULL);
+ /* XXX sigh, this lsm_root initialization should be in
+ * LMV layer, but it needs ll_iget right now, so we
+ * put this here right now. */
+ for (i = 0; i < lsm->lsm_md_stripe_count; i++) {
+ fid = &lsm->lsm_md_oinfo[i].lmo_fid;
+ LASSERT(lsm->lsm_md_oinfo[i].lmo_root == NULL);
+ /* Unfortunately ll_iget will call ll_update_inode,
+ * where the initialization of slave inode is slightly
+ * different, so it reset lsm_md to NULL to avoid
+ * initializing lsm for slave inode. */
+ /* For migrating inode, master stripe and master object will
+ * be same, so we only need assign this inode */
+ if (lsm->lsm_md_hash_type & LMV_HASH_FLAG_MIGRATION && i == 0)
+ lsm->lsm_md_oinfo[i].lmo_root = inode;
+ else
+ lsm->lsm_md_oinfo[i].lmo_root =
+ ll_iget_anon_dir(inode->i_sb, fid, md);
+
+ if (IS_ERR(lsm->lsm_md_oinfo[i].lmo_root)) {
+ int rc = PTR_ERR(lsm->lsm_md_oinfo[i].lmo_root);
+
+ lsm->lsm_md_oinfo[i].lmo_root = NULL;
+ return rc;
+ }
+ }
+
+ return 0;
+}
+
+static inline int lli_lsm_md_eq(const struct lmv_stripe_md *lsm_md1,
+ const struct lmv_stripe_md *lsm_md2)
+{
+ return lsm_md1->lsm_md_magic == lsm_md2->lsm_md_magic &&
+ lsm_md1->lsm_md_stripe_count == lsm_md2->lsm_md_stripe_count &&
+ lsm_md1->lsm_md_master_mdt_index ==
+ lsm_md2->lsm_md_master_mdt_index &&
+ lsm_md1->lsm_md_hash_type == lsm_md2->lsm_md_hash_type &&
+ lsm_md1->lsm_md_layout_version ==
+ lsm_md2->lsm_md_layout_version &&
+ strcmp(lsm_md1->lsm_md_pool_name,
+ lsm_md2->lsm_md_pool_name) == 0;
+}
+
+static int ll_update_lsm_md(struct inode *inode, struct lustre_md *md)
+{
+ struct ll_inode_info *lli = ll_i2info(inode);
+ struct lmv_stripe_md *lsm = md->lmv;
+ int rc;
+ ENTRY;
+
+ LASSERT(S_ISDIR(inode->i_mode));
+ CDEBUG(D_INODE, "update lsm %p of "DFID"\n", lli->lli_lsm_md,
+ PFID(ll_inode2fid(inode)));
+
+ /* no striped information from request. */
+ if (lsm == NULL) {
+ if (lli->lli_lsm_md == NULL) {
+ RETURN(0);
+ } else if (lli->lli_lsm_md->lsm_md_hash_type &
+ LMV_HASH_FLAG_MIGRATION) {
+ /* migration is done, the temporay MIGRATE layout has
+ * been removed */
+ CDEBUG(D_INODE, DFID" finish migration.\n",
+ PFID(ll_inode2fid(inode)));
+ lmv_free_memmd(lli->lli_lsm_md);
+ lli->lli_lsm_md = NULL;
+ RETURN(0);
+ } else {
+ /* The lustre_md from req does not include stripeEA,
+ * see ll_md_setattr */
+ RETURN(0);
+ }
+ }
+
+ /* set the directory layout */
+ if (lli->lli_lsm_md == NULL) {
+
+ rc = ll_init_lsm_md(inode, md);
+ if (rc != 0)
+ RETURN(rc);
+
+ lli->lli_lsm_md = lsm;
+ /* set lsm_md to NULL, so the following free lustre_md
+ * will not free this lsm */
+ md->lmv = NULL;
+ CDEBUG(D_INODE, "Set lsm %p magic %x to "DFID"\n", lsm,
+ lsm->lsm_md_magic, PFID(ll_inode2fid(inode)));
+ RETURN(0);
+ }
+
+ /* Compare the old and new stripe information */
+ if (!lsm_md_eq(lli->lli_lsm_md, lsm)) {
+ struct lmv_stripe_md *old_lsm = lli->lli_lsm_md;
+ int idx;
+
+ CERROR("%s: inode "DFID"(%p)'s lmv layout mismatch (%p)/(%p)"
+ "magic:0x%x/0x%x stripe count: %d/%d master_mdt: %d/%d"
+ "hash_type:0x%x/0x%x layout: 0x%x/0x%x pool:%s/%s\n",
+ ll_get_fsname(inode->i_sb, NULL, 0), PFID(&lli->lli_fid),
+ inode, lsm, old_lsm,
+ lsm->lsm_md_magic, old_lsm->lsm_md_magic,
+ lsm->lsm_md_stripe_count,
+ old_lsm->lsm_md_stripe_count,
+ lsm->lsm_md_master_mdt_index,
+ old_lsm->lsm_md_master_mdt_index,
+ lsm->lsm_md_hash_type, old_lsm->lsm_md_hash_type,
+ lsm->lsm_md_layout_version,
+ old_lsm->lsm_md_layout_version,
+ lsm->lsm_md_pool_name,
+ old_lsm->lsm_md_pool_name);
+
+ for (idx = 0; idx < old_lsm->lsm_md_stripe_count; idx++) {
+ CERROR("%s: sub FIDs in old lsm idx %d, old: "DFID"\n",
+ ll_get_fsname(inode->i_sb, NULL, 0), idx,
+ PFID(&old_lsm->lsm_md_oinfo[idx].lmo_fid));
+ }
+
+ for (idx = 0; idx < lsm->lsm_md_stripe_count; idx++) {
+ CERROR("%s: sub FIDs in new lsm idx %d, new: "DFID"\n",
+ ll_get_fsname(inode->i_sb, NULL, 0), idx,
+ PFID(&lsm->lsm_md_oinfo[idx].lmo_fid));
+ }
+
+ RETURN(-EIO);
+ }
+
+ RETURN(0);
}
void ll_clear_inode(struct inode *inode)
struct ll_sb_info *sbi = ll_i2sbi(inode);
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n", inode->i_ino,
- inode->i_generation, inode);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n",
+ PFID(ll_inode2fid(inode)), inode);
if (S_ISDIR(inode->i_mode)) {
/* these should have been cleared in ll_file_release */
ll_xattr_cache_destroy(inode);
- if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
- LASSERT(lli->lli_posix_acl == NULL);
- if (lli->lli_remote_perms) {
- free_rmtperm_hash(lli->lli_remote_perms);
- lli->lli_remote_perms = NULL;
- }
- }
+ if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
+ LASSERT(lli->lli_posix_acl == NULL);
+ if (lli->lli_remote_perms) {
+ free_rmtperm_hash(lli->lli_remote_perms);
+ lli->lli_remote_perms = NULL;
+ }
+ }
#ifdef CONFIG_FS_POSIX_ACL
- else if (lli->lli_posix_acl) {
- LASSERT(cfs_atomic_read(&lli->lli_posix_acl->a_refcount) == 1);
- LASSERT(lli->lli_remote_perms == NULL);
- posix_acl_release(lli->lli_posix_acl);
- lli->lli_posix_acl = NULL;
- }
+ else if (lli->lli_posix_acl) {
+ LASSERT(atomic_read(&lli->lli_posix_acl->a_refcount) == 1);
+ LASSERT(lli->lli_remote_perms == NULL);
+ posix_acl_release(lli->lli_posix_acl);
+ lli->lli_posix_acl = NULL;
+ }
#endif
- lli->lli_inode_magic = LLI_INODE_DEAD;
+ lli->lli_inode_magic = LLI_INODE_DEAD;
- ll_clear_inode_capas(inode);
- if (!S_ISDIR(inode->i_mode))
- LASSERT(cfs_list_empty(&lli->lli_agl_list));
+ ll_clear_inode_capas(inode);
+ if (S_ISDIR(inode->i_mode))
+ ll_dir_clear_lsm_md(inode);
+ else if (S_ISREG(inode->i_mode) && !is_bad_inode(inode))
+ LASSERT(list_empty(&lli->lli_agl_list));
- /*
- * XXX This has to be done before lsm is freed below, because
- * cl_object still uses inode lsm.
- */
- cl_inode_fini(inode);
+ /*
+ * XXX This has to be done before lsm is freed below, because
+ * cl_object still uses inode lsm.
+ */
+ cl_inode_fini(inode);
lli->lli_has_smd = false;
EXIT;
}
-int ll_md_setattr(struct dentry *dentry, struct md_op_data *op_data,
- struct md_open_data **mod)
+static int ll_md_setattr(struct dentry *dentry, struct md_op_data *op_data,
+ struct md_open_data **mod)
{
struct lustre_md md;
struct inode *inode = dentry->d_inode;
op_data->op_attr.ia_valid = ia_valid;
/* Extract epoch data if obtained. */
- op_data->op_handle = md.body->handle;
- op_data->op_ioepoch = md.body->ioepoch;
+ op_data->op_handle = md.body->mbo_handle;
+ op_data->op_ioepoch = md.body->mbo_ioepoch;
- ll_update_inode(inode, &md);
- ptlrpc_req_finished(request);
+ rc = ll_update_inode(inode, &md);
+ ptlrpc_req_finished(request);
- RETURN(rc);
+ RETURN(rc);
}
/* Close IO epoch and send Size-on-MDS attribute update. */
* from OSTs and send setattr to back to MDS. */
rc = ll_som_update(inode, op_data);
} else if (rc) {
- CERROR("inode %lu mdc truncate failed: rc = %d\n",
- inode->i_ino, rc);
+ CERROR("%s: inode "DFID" mdc truncate failed: rc = %d\n",
+ ll_i2sbi(inode)->ll_md_exp->exp_obd->obd_name,
+ PFID(ll_inode2fid(inode)), rc);
}
RETURN(rc);
}
struct md_op_data *op_data = NULL;
struct md_open_data *mod = NULL;
bool file_is_released = false;
- int rc = 0, rc1 = 0;
- ENTRY;
+ int rc = 0, rc1 = 0;
+ ENTRY;
- CDEBUG(D_VFSTRACE, "%s: setattr inode %p/fid:"DFID" from %llu to %llu, "
- "valid %x, hsm_import %d\n",
- ll_get_fsname(inode->i_sb, NULL, 0), inode,
- PFID(&lli->lli_fid), i_size_read(inode), attr->ia_size,
- attr->ia_valid, hsm_import);
+ CDEBUG(D_VFSTRACE, "%s: setattr inode "DFID"(%p) from %llu to %llu, "
+ "valid %x, hsm_import %d\n",
+ ll_get_fsname(inode->i_sb, NULL, 0), PFID(&lli->lli_fid),
+ inode, i_size_read(inode), attr->ia_size, attr->ia_valid,
+ hsm_import);
if (attr->ia_valid & ATTR_SIZE) {
/* Check new size against VFS/VM file size limit and rlimit */
attr->ia_valid |= ATTR_MTIME | ATTR_CTIME;
}
- /* POSIX: check before ATTR_*TIME_SET set (from inode_change_ok) */
+ /* POSIX: check before ATTR_*TIME_SET set (from inode_change_ok) */
if (attr->ia_valid & TIMES_SET_FLAGS) {
- if (cfs_curproc_fsuid() != inode->i_uid &&
- !cfs_capable(CFS_CAP_FOWNER))
- RETURN(-EPERM);
- }
+ if ((!uid_eq(current_fsuid(), inode->i_uid)) &&
+ !cfs_capable(CFS_CAP_FOWNER))
+ RETURN(-EPERM);
+ }
/* We mark all of the fields "set" so MDS/OST does not re-set them */
if (attr->ia_valid & ATTR_CTIME) {
LTIME_S(attr->ia_mtime), LTIME_S(attr->ia_ctime),
cfs_time_current_sec());
- /* If we are changing file size, file content is modified, flag it. */
- if (attr->ia_valid & ATTR_SIZE) {
- attr->ia_valid |= MDS_OPEN_OWNEROVERRIDE;
- spin_lock(&lli->lli_lock);
- lli->lli_flags |= LLIF_DATA_MODIFIED;
- spin_unlock(&lli->lli_lock);
- }
-
/* We always do an MDS RPC, even if we're only changing the size;
* only the MDS knows whether truncate() should fail with -ETXTBUSY */
if (attr->ia_valid & ATTR_SIZE)
inode_dio_write_done(inode);
mutex_unlock(&inode->i_mutex);
- down_write(&lli->lli_trunc_sem);
}
- memcpy(&op_data->op_attr, attr, sizeof(*attr));
-
- /* Open epoch for truncate. */
- if (exp_connect_som(ll_i2mdexp(inode)) &&
- (attr->ia_valid & (ATTR_SIZE | ATTR_MTIME | ATTR_MTIME_SET)))
- op_data->op_flags = MF_EPOCH_OPEN;
-
/* truncate on a released file must failed with -ENODATA,
* so size must not be set on MDS for released file
* but other attributes must be set
if (lsm && lsm->lsm_pattern & LOV_PATTERN_F_RELEASED)
file_is_released = true;
ccc_inode_lsm_put(inode, lsm);
- }
- /* if not in HSM import mode, clear size attr for released file
- * we clear the attribute send to MDT in op_data, not the original
- * received from caller in attr which is used later to
- * decide return code */
- if (file_is_released && (attr->ia_valid & ATTR_SIZE) && !hsm_import)
- op_data->op_attr.ia_valid &= ~ATTR_SIZE;
+ if (!hsm_import && attr->ia_valid & ATTR_SIZE) {
+ if (file_is_released) {
+ rc = ll_layout_restore(inode, 0, attr->ia_size);
+ if (rc < 0)
+ GOTO(out, rc);
- rc = ll_md_setattr(dentry, op_data, &mod);
- if (rc)
- GOTO(out, rc);
+ file_is_released = false;
+ ll_layout_refresh(inode, &gen);
+ }
- /* truncate failed (only when non HSM import), others succeed */
- if (file_is_released) {
- if ((attr->ia_valid & ATTR_SIZE) && !hsm_import)
- GOTO(out, rc = -ENODATA);
- else
- GOTO(out, rc = 0);
+ /* If we are changing file size, file content is
+ * modified, flag it. */
+ attr->ia_valid |= MDS_OPEN_OWNEROVERRIDE;
+ spin_lock(&lli->lli_lock);
+ lli->lli_flags |= LLIF_DATA_MODIFIED;
+ spin_unlock(&lli->lli_lock);
+ op_data->op_bias |= MDS_DATA_MODIFIED;
+ }
}
+ memcpy(&op_data->op_attr, attr, sizeof(*attr));
+
+ /* Open epoch for truncate. */
+ if (exp_connect_som(ll_i2mdexp(inode)) && !hsm_import &&
+ (attr->ia_valid & (ATTR_SIZE | ATTR_MTIME | ATTR_MTIME_SET)))
+ op_data->op_flags = MF_EPOCH_OPEN;
+
+ rc = ll_md_setattr(dentry, op_data, &mod);
+ if (rc)
+ GOTO(out, rc);
+
/* RPC to MDT is sent, cancel data modification flag */
if (rc == 0 && (op_data->op_bias & MDS_DATA_MODIFIED)) {
spin_lock(&lli->lli_lock);
spin_unlock(&lli->lli_lock);
}
- ll_ioepoch_open(lli, op_data->op_ioepoch);
- if (!S_ISREG(inode->i_mode))
- GOTO(out, rc = 0);
+ ll_ioepoch_open(lli, op_data->op_ioepoch);
+ if (!S_ISREG(inode->i_mode) || file_is_released)
+ GOTO(out, rc = 0);
if (attr->ia_valid & (ATTR_SIZE |
ATTR_ATIME | ATTR_ATIME_SET |
ATTR_MTIME | ATTR_MTIME_SET)) {
- /* For truncate and utimes sending attributes to OSTs, setting
- * mtime/atime to the past will be performed under PW [0:EOF]
- * extent lock (new_size:EOF for truncate). It may seem
- * excessive to send mtime/atime updates to OSTs when not
- * setting times to past, but it is necessary due to possible
- * time de-synchronization between MDT inode and OST objects */
- rc = ll_setattr_ost(inode, attr);
+ /* For truncate and utimes sending attributes to OSTs, setting
+ * mtime/atime to the past will be performed under PW [0:EOF]
+ * extent lock (new_size:EOF for truncate). It may seem
+ * excessive to send mtime/atime updates to OSTs when not
+ * setting times to past, but it is necessary due to possible
+ * time de-synchronization between MDT inode and OST objects */
+ if (attr->ia_valid & ATTR_SIZE)
+ down_write(&lli->lli_trunc_sem);
+ rc = ll_setattr_ost(inode, attr);
+ if (attr->ia_valid & ATTR_SIZE)
+ up_write(&lli->lli_trunc_sem);
}
- EXIT;
+ EXIT;
out:
- if (op_data) {
- if (op_data->op_ioepoch) {
- rc1 = ll_setattr_done_writing(inode, op_data, mod);
- if (!rc)
- rc = rc1;
- }
- ll_finish_md_op_data(op_data);
- }
+ if (op_data) {
+ if (op_data->op_ioepoch) {
+ rc1 = ll_setattr_done_writing(inode, op_data, mod);
+ if (!rc)
+ rc = rc1;
+ }
+ ll_finish_md_op_data(op_data);
+ }
if (!S_ISDIR(inode->i_mode)) {
- up_write(&lli->lli_trunc_sem);
mutex_lock(&inode->i_mutex);
if ((attr->ia_valid & ATTR_SIZE) && !hsm_import)
inode_dio_wait(inode);
!(attr->ia_mode & S_ISGID))))
attr->ia_valid |= ATTR_FORCE;
- if ((mode & S_ISUID) &&
+ if ((attr->ia_valid & ATTR_MODE) &&
+ (mode & S_ISUID) &&
!(attr->ia_mode & S_ISUID) &&
!(attr->ia_valid & ATTR_KILL_SUID))
attr->ia_valid |= ATTR_KILL_SUID;
- if (((mode & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP)) &&
+ if ((attr->ia_valid & ATTR_MODE) &&
+ ((mode & (S_ISGID|S_IXGRP)) == (S_ISGID|S_IXGRP)) &&
!(attr->ia_mode & S_ISGID) &&
!(attr->ia_valid & ATTR_KILL_SGID))
attr->ia_valid |= ATTR_KILL_SGID;
{
struct super_block *sb = de->d_sb;
struct obd_statfs osfs;
+ __u64 fsid = huge_encode_dev(sb->s_dev);
int rc;
CDEBUG(D_VFSTRACE, "VFS Op: at "LPU64" jiffies\n", get_jiffies_64());
sfs->f_blocks = osfs.os_blocks;
sfs->f_bfree = osfs.os_bfree;
sfs->f_bavail = osfs.os_bavail;
- sfs->f_fsid = ll_s2sbi(sb)->ll_fsid;
+ sfs->f_fsid.val[0] = (__u32)fsid;
+ sfs->f_fsid.val[1] = (__u32)(fsid >> 32);
return 0;
}
void ll_inode_size_lock(struct inode *inode)
{
- struct ll_inode_info *lli;
+ struct ll_inode_info *lli;
- LASSERT(!S_ISDIR(inode->i_mode));
+ LASSERT(!S_ISDIR(inode->i_mode));
- lli = ll_i2info(inode);
- LASSERT(lli->lli_size_sem_owner != current);
- down(&lli->lli_size_sem);
- LASSERT(lli->lli_size_sem_owner == NULL);
- lli->lli_size_sem_owner = current;
+ lli = ll_i2info(inode);
+ mutex_lock(&lli->lli_size_mutex);
}
void ll_inode_size_unlock(struct inode *inode)
{
- struct ll_inode_info *lli;
+ struct ll_inode_info *lli;
- lli = ll_i2info(inode);
- LASSERT(lli->lli_size_sem_owner == current);
- lli->lli_size_sem_owner = NULL;
- up(&lli->lli_size_sem);
+ lli = ll_i2info(inode);
+ mutex_unlock(&lli->lli_size_mutex);
}
-void ll_update_inode(struct inode *inode, struct lustre_md *md)
+int ll_update_inode(struct inode *inode, struct lustre_md *md)
{
struct ll_inode_info *lli = ll_i2info(inode);
struct mdt_body *body = md->body;
struct lov_stripe_md *lsm = md->lsm;
struct ll_sb_info *sbi = ll_i2sbi(inode);
- LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
+ LASSERT((lsm != NULL) == ((body->mbo_valid & OBD_MD_FLEASIZE) != 0));
if (lsm != NULL) {
if (!lli->lli_has_smd &&
!(sbi->ll_flags & LL_SBI_LAYOUT_LOCK))
lli->lli_maxbytes = MAX_LFS_FILESIZE;
}
- if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
- if (body->valid & OBD_MD_FLRMTPERM)
- ll_update_remote_perm(inode, md->remote_perm);
- }
+ if (S_ISDIR(inode->i_mode)) {
+ int rc;
+
+ rc = ll_update_lsm_md(inode, md);
+ if (rc != 0)
+ return rc;
+ }
+
+ if (sbi->ll_flags & LL_SBI_RMT_CLIENT) {
+ if (body->mbo_valid & OBD_MD_FLRMTPERM)
+ ll_update_remote_perm(inode, md->remote_perm);
+ }
#ifdef CONFIG_FS_POSIX_ACL
- else if (body->valid & OBD_MD_FLACL) {
+ else if (body->mbo_valid & OBD_MD_FLACL) {
spin_lock(&lli->lli_lock);
if (lli->lli_posix_acl)
posix_acl_release(lli->lli_posix_acl);
spin_unlock(&lli->lli_lock);
}
#endif
- inode->i_ino = cl_fid_build_ino(&body->fid1,
+ inode->i_ino = cl_fid_build_ino(&body->mbo_fid1,
sbi->ll_flags & LL_SBI_32BIT_API);
- inode->i_generation = cl_fid_build_gen(&body->fid1);
+ inode->i_generation = cl_fid_build_gen(&body->mbo_fid1);
- if (body->valid & OBD_MD_FLATIME) {
- if (body->atime > LTIME_S(inode->i_atime))
- LTIME_S(inode->i_atime) = body->atime;
- lli->lli_lvb.lvb_atime = body->atime;
- }
- if (body->valid & OBD_MD_FLMTIME) {
- if (body->mtime > LTIME_S(inode->i_mtime)) {
- CDEBUG(D_INODE, "setting ino %lu mtime from %lu "
- "to "LPU64"\n", inode->i_ino,
- LTIME_S(inode->i_mtime), body->mtime);
- LTIME_S(inode->i_mtime) = body->mtime;
- }
- lli->lli_lvb.lvb_mtime = body->mtime;
- }
- if (body->valid & OBD_MD_FLCTIME) {
- if (body->ctime > LTIME_S(inode->i_ctime))
- LTIME_S(inode->i_ctime) = body->ctime;
- lli->lli_lvb.lvb_ctime = body->ctime;
- }
- if (body->valid & OBD_MD_FLMODE)
- inode->i_mode = (inode->i_mode & S_IFMT)|(body->mode & ~S_IFMT);
- if (body->valid & OBD_MD_FLTYPE)
- inode->i_mode = (inode->i_mode & ~S_IFMT)|(body->mode & S_IFMT);
- LASSERT(inode->i_mode != 0);
- if (S_ISREG(inode->i_mode)) {
- inode->i_blkbits = min(PTLRPC_MAX_BRW_BITS + 1, LL_MAX_BLKSIZE_BITS);
- } else {
- inode->i_blkbits = inode->i_sb->s_blocksize_bits;
- }
- if (body->valid & OBD_MD_FLUID)
- inode->i_uid = body->uid;
- if (body->valid & OBD_MD_FLGID)
- inode->i_gid = body->gid;
- if (body->valid & OBD_MD_FLFLAGS)
- inode->i_flags = ll_ext_to_inode_flags(body->flags);
- if (body->valid & OBD_MD_FLNLINK)
- set_nlink(inode, body->nlink);
- if (body->valid & OBD_MD_FLRDEV)
- inode->i_rdev = old_decode_dev(body->rdev);
-
- if (body->valid & OBD_MD_FLID) {
- /* FID shouldn't be changed! */
- if (fid_is_sane(&lli->lli_fid)) {
- LASSERTF(lu_fid_eq(&lli->lli_fid, &body->fid1),
- "Trying to change FID "DFID
- " to the "DFID", inode %lu/%u(%p)\n",
- PFID(&lli->lli_fid), PFID(&body->fid1),
- inode->i_ino, inode->i_generation, inode);
- } else
- lli->lli_fid = body->fid1;
- }
+ if (body->mbo_valid & OBD_MD_FLATIME) {
+ if (body->mbo_atime > LTIME_S(inode->i_atime))
+ LTIME_S(inode->i_atime) = body->mbo_atime;
+ lli->lli_atime = body->mbo_atime;
+ }
+
+ if (body->mbo_valid & OBD_MD_FLMTIME) {
+ if (body->mbo_mtime > LTIME_S(inode->i_mtime)) {
+ CDEBUG(D_INODE, "setting ino %lu mtime from %lu "
+ "to "LPU64"\n", inode->i_ino,
+ LTIME_S(inode->i_mtime), body->mbo_mtime);
+ LTIME_S(inode->i_mtime) = body->mbo_mtime;
+ }
+ lli->lli_mtime = body->mbo_mtime;
+ }
+
+ if (body->mbo_valid & OBD_MD_FLCTIME) {
+ if (body->mbo_ctime > LTIME_S(inode->i_ctime))
+ LTIME_S(inode->i_ctime) = body->mbo_ctime;
+ lli->lli_ctime = body->mbo_ctime;
+ }
+
+ if (body->mbo_valid & OBD_MD_FLMODE)
+ inode->i_mode = (inode->i_mode & S_IFMT) |
+ (body->mbo_mode & ~S_IFMT);
+
+ if (body->mbo_valid & OBD_MD_FLTYPE)
+ inode->i_mode = (inode->i_mode & ~S_IFMT) |
+ (body->mbo_mode & S_IFMT);
+
+ LASSERT(inode->i_mode != 0);
+ if (S_ISREG(inode->i_mode))
+ inode->i_blkbits = min(PTLRPC_MAX_BRW_BITS + 1,
+ LL_MAX_BLKSIZE_BITS);
+ else
+ inode->i_blkbits = inode->i_sb->s_blocksize_bits;
+
+ if (body->mbo_valid & OBD_MD_FLUID)
+ inode->i_uid = make_kuid(&init_user_ns, body->mbo_uid);
+ if (body->mbo_valid & OBD_MD_FLGID)
+ inode->i_gid = make_kgid(&init_user_ns, body->mbo_gid);
+ if (body->mbo_valid & OBD_MD_FLFLAGS)
+ inode->i_flags = ll_ext_to_inode_flags(body->mbo_flags);
+ if (body->mbo_valid & OBD_MD_FLNLINK)
+ set_nlink(inode, body->mbo_nlink);
+ if (body->mbo_valid & OBD_MD_FLRDEV)
+ inode->i_rdev = old_decode_dev(body->mbo_rdev);
+
+ if (body->mbo_valid & OBD_MD_FLID) {
+ /* FID shouldn't be changed! */
+ if (fid_is_sane(&lli->lli_fid)) {
+ LASSERTF(lu_fid_eq(&lli->lli_fid, &body->mbo_fid1),
+ "Trying to change FID "DFID
+ " to the "DFID", inode "DFID"(%p)\n",
+ PFID(&lli->lli_fid), PFID(&body->mbo_fid1),
+ PFID(ll_inode2fid(inode)), inode);
+ } else {
+ lli->lli_fid = body->mbo_fid1;
+ }
+ }
- LASSERT(fid_seq(&lli->lli_fid) != 0);
+ LASSERT(fid_seq(&lli->lli_fid) != 0);
- if (body->valid & OBD_MD_FLSIZE) {
+ if (body->mbo_valid & OBD_MD_FLSIZE) {
if (exp_connect_som(ll_i2mdexp(inode)) &&
S_ISREG(inode->i_mode)) {
struct lustre_handle lockh;
if (lli->lli_flags & (LLIF_DONE_WRITING |
LLIF_EPOCH_PENDING |
LLIF_SOM_DIRTY)) {
- CERROR("ino %lu flags %u still has "
- "size authority! do not trust "
- "the size got from MDS\n",
- inode->i_ino, lli->lli_flags);
+ CERROR("%s: inode "DFID" flags %u still"
+ " has size authority! do not "
+ "trust the size from MDS\n",
+ sbi->ll_md_exp->exp_obd->obd_name,
+ PFID(ll_inode2fid(inode)),
+ lli->lli_flags);
} else {
/* Use old size assignment to avoid
* deadlock bz14138 & bz14326 */
- i_size_write(inode, body->size);
+ i_size_write(inode, body->mbo_size);
spin_lock(&lli->lli_lock);
lli->lli_flags |= LLIF_MDS_SIZE_LOCK;
spin_unlock(&lli->lli_lock);
} else {
/* Use old size assignment to avoid
* deadlock bz14138 & bz14326 */
- i_size_write(inode, body->size);
+ i_size_write(inode, body->mbo_size);
- CDEBUG(D_VFSTRACE, "inode=%lu, updating i_size %llu\n",
- inode->i_ino, (unsigned long long)body->size);
- }
+ CDEBUG(D_VFSTRACE,
+ "inode="DFID", updating i_size %llu\n",
+ PFID(ll_inode2fid(inode)),
+ (unsigned long long)body->mbo_size);
+ }
- if (body->valid & OBD_MD_FLBLOCKS)
- inode->i_blocks = body->blocks;
- }
+ if (body->mbo_valid & OBD_MD_FLBLOCKS)
+ inode->i_blocks = body->mbo_blocks;
+ }
- if (body->valid & OBD_MD_FLMDSCAPA) {
- LASSERT(md->mds_capa);
- ll_add_capa(inode, md->mds_capa);
- }
- if (body->valid & OBD_MD_FLOSSCAPA) {
- LASSERT(md->oss_capa);
- ll_add_capa(inode, md->oss_capa);
- }
+ if (body->mbo_valid & OBD_MD_FLMDSCAPA) {
+ LASSERT(md->mds_capa);
+ ll_add_capa(inode, md->mds_capa);
+ }
- if (body->valid & OBD_MD_TSTATE) {
- if (body->t_state & MS_RESTORE)
+ if (body->mbo_valid & OBD_MD_FLOSSCAPA) {
+ LASSERT(md->oss_capa);
+ ll_add_capa(inode, md->oss_capa);
+ }
+
+ if (body->mbo_valid & OBD_MD_TSTATE) {
+ if (body->mbo_t_state & MS_RESTORE)
lli->lli_flags |= LLIF_FILE_RESTORING;
}
+
+ return 0;
}
-void ll_read_inode2(struct inode *inode, void *opaque)
+int ll_read_inode2(struct inode *inode, void *opaque)
{
struct lustre_md *md = opaque;
struct ll_inode_info *lli = ll_i2info(inode);
+ int rc;
ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n",
LTIME_S(inode->i_atime) = 0;
LTIME_S(inode->i_ctime) = 0;
inode->i_rdev = 0;
- ll_update_inode(inode, md);
+ rc = ll_update_inode(inode, md);
+ if (rc != 0)
+ RETURN(rc);
/* OIDEBUG(inode); */
EXIT;
}
+
+ return 0;
}
void ll_delete_inode(struct inode *inode)
{
- struct cl_inode_info *lli = cl_i2info(inode);
+ struct ll_inode_info *lli = ll_i2info(inode);
ENTRY;
if (S_ISREG(inode->i_mode) && lli->lli_clob != NULL)
- /* discard all dirty pages before truncating them, required by
- * osc_extent implementation at LU-1030. */
- cl_sync_file_range(inode, 0, OBD_OBJECT_EOF,
- CL_FSYNC_DISCARD, 1);
-
- truncate_inode_pages(&inode->i_data, 0);
-
- /* Workaround for LU-118 */
- if (inode->i_data.nrpages) {
- TREE_READ_LOCK_IRQ(&inode->i_data);
- TREE_READ_UNLOCK_IRQ(&inode->i_data);
- LASSERTF(inode->i_data.nrpages == 0,
- "inode=%lu/%u(%p) nrpages=%lu, see "
- "http://jira.whamcloud.com/browse/LU-118\n",
- inode->i_ino, inode->i_generation, inode,
- inode->i_data.nrpages);
- }
- /* Workaround end */
+ /* It is last chance to write out dirty pages,
+ * otherwise we may lose data while umount */
+ cl_sync_file_range(inode, 0, OBD_OBJECT_EOF, CL_FSYNC_LOCAL, 1);
+
+ truncate_inode_pages_final(&inode->i_data);
+
+ LASSERTF(inode->i_data.nrpages == 0, "inode="DFID"(%p) nrpages=%lu, "
+ "see https://jira.hpdd.intel.com/browse/LU-118\n",
+ PFID(ll_inode2fid(inode)), inode, inode->i_data.nrpages);
#ifdef HAVE_SBOPS_EVICT_INODE
ll_clear_inode(inode);
rc = md_getattr(sbi->ll_md_exp, op_data, &req);
ll_finish_md_op_data(op_data);
if (rc) {
- CERROR("failure %d inode %lu\n", rc, inode->i_ino);
+ CERROR("%s: failure inode "DFID": rc = %d\n",
+ sbi->ll_md_exp->exp_obd->obd_name,
+ PFID(ll_inode2fid(inode)), rc);
RETURN(-abs(rc));
}
body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- flags = body->flags;
+ flags = body->mbo_flags;
ptlrpc_req_finished(req);
- RETURN(put_user(flags, (int *)arg));
+ RETURN(put_user(flags, (int __user *)arg));
}
case FSFILT_IOC_SETFLAGS: {
struct lov_stripe_md *lsm;
struct obd_info oinfo = { { { 0 } } };
struct md_op_data *op_data;
- if (get_user(flags, (int *)arg))
- RETURN(-EFAULT);
+ if (get_user(flags, (int __user *)arg))
+ RETURN(-EFAULT);
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));
- ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags = flags;
+ op_data->op_attr_flags = flags;
op_data->op_attr.ia_valid |= ATTR_ATTR_FLAG;
rc = md_setattr(sbi->ll_md_exp, op_data,
NULL, 0, NULL, 0, &req, NULL);
int ll_flush_ctx(struct inode *inode)
{
- struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
- CDEBUG(D_SEC, "flush context for user %d\n", cfs_curproc_uid());
+ CDEBUG(D_SEC, "flush context for user %d\n",
+ from_kuid(&init_user_ns, current_uid()));
- obd_set_info_async(NULL, sbi->ll_md_exp,
- sizeof(KEY_FLUSH_CTX), KEY_FLUSH_CTX,
- 0, NULL, NULL);
- obd_set_info_async(NULL, sbi->ll_dt_exp,
- sizeof(KEY_FLUSH_CTX), KEY_FLUSH_CTX,
- 0, NULL, NULL);
- return 0;
+ obd_set_info_async(NULL, sbi->ll_md_exp,
+ sizeof(KEY_FLUSH_CTX), KEY_FLUSH_CTX,
+ 0, NULL, NULL);
+ obd_set_info_async(NULL, sbi->ll_dt_exp,
+ sizeof(KEY_FLUSH_CTX), KEY_FLUSH_CTX,
+ 0, NULL, NULL);
+ return 0;
}
/* umount -f client means force down, don't save state */
void ll_umount_begin(struct super_block *sb)
{
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct obd_device *obd;
- struct obd_ioctl_data *ioc_data;
- ENTRY;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct obd_device *obd;
+ struct obd_ioctl_data *ioc_data;
+ ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op: superblock %p count %d active %d\n", sb,
- sb->s_count, atomic_read(&sb->s_active));
+ CDEBUG(D_VFSTRACE, "VFS Op: superblock %p count %d active %d\n", sb,
+ sb->s_count, atomic_read(&sb->s_active));
- obd = class_exp2obd(sbi->ll_md_exp);
- if (obd == NULL) {
- CERROR("Invalid MDC connection handle "LPX64"\n",
- sbi->ll_md_exp->exp_handle.h_cookie);
- EXIT;
- return;
- }
- obd->obd_force = 1;
+ obd = class_exp2obd(sbi->ll_md_exp);
+ if (obd == NULL) {
+ CERROR("Invalid MDC connection handle "LPX64"\n",
+ sbi->ll_md_exp->exp_handle.h_cookie);
+ EXIT;
+ return;
+ }
+ obd->obd_force = 1;
obd = class_exp2obd(sbi->ll_dt_exp);
if (obd == NULL) {
OBD_FREE_PTR(ioc_data);
}
- /* Really, we'd like to wait until there are no requests outstanding,
- * and then continue. For now, we just invalidate the requests,
- * schedule() and sleep one second if needed, and hope.
- */
- cfs_schedule();
- EXIT;
+ /* Really, we'd like to wait until there are no requests outstanding,
+ * and then continue. For now, we just invalidate the requests,
+ * schedule() and sleep one second if needed, and hope.
+ */
+ schedule();
+ EXIT;
}
int ll_remount_fs(struct super_block *sb, int *flags, char *data)
struct super_block *sb, struct lookup_intent *it)
{
struct ll_sb_info *sbi = NULL;
- struct lustre_md md;
- int rc;
- ENTRY;
+ struct lustre_md md = { NULL };
+ int rc;
+ ENTRY;
LASSERT(*inode || sb);
sbi = sb ? ll_s2sbi(sb) : ll_i2sbi(*inode);
if (rc)
RETURN(rc);
- if (*inode) {
- ll_update_inode(*inode, &md);
- } else {
- LASSERT(sb != NULL);
+ if (*inode) {
+ rc = ll_update_inode(*inode, &md);
+ if (rc != 0)
+ GOTO(out, rc);
+ } else {
+ LASSERT(sb != NULL);
/*
* At this point server returns to client's same fid as client
* generated for creating. So using ->fid1 is okay here.
*/
- LASSERT(fid_is_sane(&md.body->fid1));
+ LASSERT(fid_is_sane(&md.body->mbo_fid1));
- *inode = ll_iget(sb, cl_fid_build_ino(&md.body->fid1,
+ *inode = ll_iget(sb, cl_fid_build_ino(&md.body->mbo_fid1,
sbi->ll_flags & LL_SBI_32BIT_API),
&md);
- if (*inode == NULL || IS_ERR(*inode)) {
+ if (IS_ERR(*inode)) {
#ifdef CONFIG_FS_POSIX_ACL
if (md.posix_acl) {
posix_acl_release(md.posix_acl);
RETURN(rc);
}
-int ll_obd_statfs(struct inode *inode, void *arg)
+int ll_obd_statfs(struct inode *inode, void __user *arg)
{
struct ll_sb_info *sbi = NULL;
struct obd_export *exp;
char *buf = NULL;
struct obd_ioctl_data *data = NULL;
__u32 type;
- __u32 flags;
+ __u32 __user flags; /* not user, but obd_iocontrol is abused */
int len = 0, rc;
if (!inode || !(sbi = ll_i2sbi(inode)))
int ll_process_config(struct lustre_cfg *lcfg)
{
- char *ptr;
- void *sb;
- struct lprocfs_static_vars lvars;
- unsigned long x;
- int rc = 0;
+ struct super_block *sb;
+ unsigned long x;
+ int rc = 0;
+ char *ptr;
- lprocfs_llite_init_vars(&lvars);
-
- /* The instance name contains the sb: lustre-client-aacfe000 */
- ptr = strrchr(lustre_cfg_string(lcfg, 0), '-');
- if (!ptr || !*(++ptr))
- return -EINVAL;
- if (sscanf(ptr, "%lx", &x) != 1)
- return -EINVAL;
- sb = (void *)x;
- /* This better be a real Lustre superblock! */
- LASSERT(s2lsi((struct super_block *)sb)->lsi_lmd->lmd_magic == LMD_MAGIC);
-
- /* Note we have not called client_common_fill_super yet, so
- proc fns must be able to handle that! */
- rc = class_process_proc_param(PARAM_LLITE, lvars.obd_vars,
- lcfg, sb);
- if (rc > 0)
- rc = 0;
- return(rc);
+ /* The instance name contains the sb: lustre-client-aacfe000 */
+ ptr = strrchr(lustre_cfg_string(lcfg, 0), '-');
+ if (!ptr || !*(++ptr))
+ return -EINVAL;
+ if (sscanf(ptr, "%lx", &x) != 1)
+ return -EINVAL;
+ sb = (struct super_block *)x;
+ /* This better be a real Lustre superblock! */
+ LASSERT(s2lsi(sb)->lsi_lmd->lmd_magic == LMD_MAGIC);
+
+ /* Note we have not called client_common_fill_super yet, so
+ proc fns must be able to handle that! */
+ rc = class_process_proc_param(PARAM_LLITE, lprocfs_llite_obd_vars,
+ lcfg, sb);
+ if (rc > 0)
+ rc = 0;
+ return rc;
}
/* this function prepares md_op_data hint for passing ot down to MD stack. */
struct md_op_data * ll_prep_md_op_data(struct md_op_data *op_data,
- struct inode *i1, struct inode *i2,
- const char *name, int namelen,
- int mode, __u32 opc, void *data)
+ struct inode *i1, struct inode *i2,
+ const char *name, size_t namelen,
+ __u32 mode, __u32 opc, void *data)
{
LASSERT(i1 != NULL);
- if (namelen > ll_i2sbi(i1)->ll_namelen)
- return ERR_PTR(-ENAMETOOLONG);
+ if (name == NULL) {
+ /* Do not reuse namelen for something else. */
+ if (namelen != 0)
+ return ERR_PTR(-EINVAL);
+ } else {
+ if (namelen > ll_i2sbi(i1)->ll_namelen)
+ return ERR_PTR(-ENAMETOOLONG);
+
+ if (!lu_name_is_valid_2(name, namelen))
+ return ERR_PTR(-EINVAL);
+ }
if (op_data == NULL)
OBD_ALLOC_PTR(op_data);
if (op_data == NULL)
return ERR_PTR(-ENOMEM);
- ll_i2gids(op_data->op_suppgids, i1, i2);
- op_data->op_fid1 = *ll_inode2fid(i1);
- op_data->op_capa1 = ll_mdscapa_get(i1);
+ ll_i2gids(op_data->op_suppgids, i1, i2);
+ op_data->op_fid1 = *ll_inode2fid(i1);
+ op_data->op_capa1 = ll_mdscapa_get(i1);
+ op_data->op_default_stripe_offset = -1;
+ if (S_ISDIR(i1->i_mode)) {
+ op_data->op_mea1 = ll_i2info(i1)->lli_lsm_md;
+ op_data->op_default_stripe_offset =
+ ll_i2info(i1)->lli_def_stripe_offset;
+ }
- if (i2) {
- op_data->op_fid2 = *ll_inode2fid(i2);
- op_data->op_capa2 = ll_mdscapa_get(i2);
- } else {
- fid_zero(&op_data->op_fid2);
- op_data->op_capa2 = NULL;
- }
+ if (i2) {
+ op_data->op_fid2 = *ll_inode2fid(i2);
+ op_data->op_capa2 = ll_mdscapa_get(i2);
+ if (S_ISDIR(i2->i_mode))
+ op_data->op_mea2 = ll_i2info(i2)->lli_lsm_md;
+ } else {
+ fid_zero(&op_data->op_fid2);
+ op_data->op_capa2 = NULL;
+ }
+
+ if (ll_i2sbi(i1)->ll_flags & LL_SBI_64BIT_HASH)
+ op_data->op_cli_flags |= CLI_HASH64;
+
+ if (ll_need_32bit_api(ll_i2sbi(i1)))
+ op_data->op_cli_flags |= CLI_API32;
op_data->op_name = name;
op_data->op_namelen = namelen;
op_data->op_mode = mode;
op_data->op_mod_time = cfs_time_current_sec();
- op_data->op_fsuid = cfs_curproc_fsuid();
- op_data->op_fsgid = cfs_curproc_fsgid();
+ op_data->op_fsuid = from_kuid(&init_user_ns, current_fsuid());
+ op_data->op_fsgid = from_kgid(&init_user_ns, current_fsgid());
op_data->op_cap = cfs_curproc_cap_pack();
op_data->op_bias = 0;
op_data->op_cli_flags = 0;
if ((opc == LUSTRE_OPC_CREATE) && (name != NULL) &&
- filename_is_volatile(name, namelen, NULL))
+ filename_is_volatile(name, namelen, &op_data->op_mds)) {
op_data->op_bias |= MDS_CREATE_VOLATILE;
- op_data->op_opc = opc;
- op_data->op_mds = 0;
- op_data->op_data = data;
-
- /* If the file is being opened after mknod() (normally due to NFS)
- * try to use the default stripe data from parent directory for
- * allocating OST objects. Try to pass the parent FID to MDS. */
- if (opc == LUSTRE_OPC_CREATE && i1 == i2 && S_ISREG(i2->i_mode) &&
- !ll_i2info(i2)->lli_has_smd) {
- struct ll_inode_info *lli = ll_i2info(i2);
-
- spin_lock(&lli->lli_lock);
- if (likely(!lli->lli_has_smd && !fid_is_zero(&lli->lli_pfid)))
- op_data->op_fid1 = lli->lli_pfid;
- spin_unlock(&lli->lli_lock);
- /** We ignore parent's capability temporary. */
+ } else {
+ op_data->op_mds = 0;
}
+ op_data->op_data = data;
/* When called by ll_setattr_raw, file is i1. */
if (LLIF_DATA_MODIFIED & ll_i2info(i1)->lli_flags)
if (!obd)
RETURN(-ENOENT);
- if (copy_to_user((void *)arg, obd->obd_name,
+ if (copy_to_user((void __user *)arg, obd->obd_name,
strlen(obd->obd_name) + 1))
RETURN(-EFAULT);
{
char *path = NULL;
-#ifdef HAVE_FS_STRUCT_USE_PATH
struct path p;
p.dentry = dentry;
path_get(&p);
path = d_path(&p, buf, bufsize);
path_put(&p);
-#else
- path = d_path(dentry, current->fs->rootmnt, buf, bufsize);
-#endif
-
return path;
}
{
char *buf, *path = NULL;
struct dentry *dentry = NULL;
- struct ccc_object *obj = cl_inode2ccc(page->mapping->host);
+ struct vvp_object *obj = cl_inode2vvp(page->mapping->host);
/* this can be called inside spin lock so use GFP_ATOMIC. */
buf = (char *)__get_free_page(GFP_ATOMIC);
path = ll_d_path(dentry, buf, PAGE_SIZE);
}
- CWARN("%s: dirty page discard: %s/fid: "DFID"/%s may get corrupted "
- "(rc %d)\n", ll_get_fsname(page->mapping->host->i_sb, NULL, 0),
- s2lsi(page->mapping->host->i_sb)->lsi_lmd->lmd_dev,
- PFID(&obj->cob_header.coh_lu.loh_fid),
- (path && !IS_ERR(path)) ? path : "", ioret);
+ CDEBUG(D_WARNING,
+ "%s: dirty page discard: %s/fid: "DFID"/%s may get corrupted "
+ "(rc %d)\n", ll_get_fsname(page->mapping->host->i_sb, NULL, 0),
+ s2lsi(page->mapping->host->i_sb)->lsi_lmd->lmd_dev,
+ PFID(&obj->vob_header.coh_lu.loh_fid),
+ (path && !IS_ERR(path)) ? path : "", ioret);
if (dentry != NULL)
dput(dentry);
if (buf != NULL)
free_page((unsigned long)buf);
}
+
+ssize_t ll_copy_user_md(const struct lov_user_md __user *md,
+ struct lov_user_md **kbuf)
+{
+ struct lov_user_md lum;
+ ssize_t lum_size;
+ ENTRY;
+
+ if (copy_from_user(&lum, md, sizeof(lum)))
+ RETURN(-EFAULT);
+
+ lum_size = ll_lov_user_md_size(&lum);
+ if (lum_size < 0)
+ RETURN(lum_size);
+
+ OBD_ALLOC(*kbuf, lum_size);
+ if (*kbuf == NULL)
+ RETURN(-ENOMEM);
+
+ if (copy_from_user(*kbuf, md, lum_size) != 0) {
+ OBD_FREE(*kbuf, lum_size);
+ RETURN(-EFAULT);
+ }
+
+ RETURN(lum_size);
+}
+
+/*
+ * Compute llite root squash state after a change of root squash
+ * configuration setting or add/remove of a lnet nid
+ */
+void ll_compute_rootsquash_state(struct ll_sb_info *sbi)
+{
+ struct root_squash_info *squash = &sbi->ll_squash;
+ int i;
+ bool matched;
+ lnet_process_id_t id;
+
+ /* Update norootsquash flag */
+ down_write(&squash->rsi_sem);
+ if (list_empty(&squash->rsi_nosquash_nids))
+ sbi->ll_flags &= ~LL_SBI_NOROOTSQUASH;
+ else {
+ /* Do not apply root squash as soon as one of our NIDs is
+ * in the nosquash_nids list */
+ matched = false;
+ i = 0;
+ while (LNetGetId(i++, &id) != -ENOENT) {
+ if (LNET_NETTYP(LNET_NIDNET(id.nid)) == LOLND)
+ continue;
+ if (cfs_match_nid(id.nid, &squash->rsi_nosquash_nids)) {
+ matched = true;
+ break;
+ }
+ }
+ if (matched)
+ sbi->ll_flags |= LL_SBI_NOROOTSQUASH;
+ else
+ sbi->ll_flags &= ~LL_SBI_NOROOTSQUASH;
+ }
+ up_write(&squash->rsi_sem);
+}
+
+/**
+ * Parse linkea content to extract information about a given hardlink
+ *
+ * \param[in] ldata - Initialized linkea data
+ * \param[in] linkno - Link identifier
+ * \param[out] parent_fid - The entry's parent FID
+ * \param[out] ln - Entry name destination buffer
+ *
+ * \retval 0 on success
+ * \retval Appropriate negative error code on failure
+ */
+static int ll_linkea_decode(struct linkea_data *ldata, unsigned int linkno,
+ struct lu_fid *parent_fid, struct lu_name *ln)
+{
+ unsigned int idx;
+ int rc;
+ ENTRY;
+
+ rc = linkea_init(ldata);
+ if (rc < 0)
+ RETURN(rc);
+
+ if (linkno >= ldata->ld_leh->leh_reccount)
+ /* beyond last link */
+ RETURN(-ENODATA);
+
+ linkea_first_entry(ldata);
+ for (idx = 0; ldata->ld_lee != NULL; idx++) {
+ linkea_entry_unpack(ldata->ld_lee, &ldata->ld_reclen, ln,
+ parent_fid);
+ if (idx == linkno)
+ break;
+
+ linkea_next_entry(ldata);
+ }
+
+ if (idx < linkno)
+ RETURN(-ENODATA);
+
+ RETURN(0);
+}
+
+/**
+ * Get parent FID and name of an identified link. Operation is performed for
+ * a given link number, letting the caller iterate over linkno to list one or
+ * all links of an entry.
+ *
+ * \param[in] file - File descriptor against which to perform the operation
+ * \param[in,out] arg - User-filled structure containing the linkno to operate
+ * on and the available size. It is eventually filled with
+ * the requested information or left untouched on error
+ *
+ * \retval - 0 on success
+ * \retval - Appropriate negative error code on failure
+ */
+int ll_getparent(struct file *file, struct getparent __user *arg)
+{
+ struct dentry *dentry = file->f_dentry;
+ struct inode *inode = file->f_dentry->d_inode;
+ struct linkea_data *ldata;
+ struct lu_buf buf = LU_BUF_NULL;
+ struct lu_name ln;
+ struct lu_fid parent_fid;
+ __u32 linkno;
+ __u32 name_size;
+ int rc;
+
+ ENTRY;
+
+ if (!cfs_capable(CFS_CAP_DAC_READ_SEARCH) &&
+ !(ll_i2sbi(inode)->ll_flags & LL_SBI_USER_FID2PATH))
+ RETURN(-EPERM);
+
+ if (get_user(name_size, &arg->gp_name_size))
+ RETURN(-EFAULT);
+
+ if (get_user(linkno, &arg->gp_linkno))
+ RETURN(-EFAULT);
+
+ if (name_size > PATH_MAX)
+ RETURN(-EINVAL);
+
+ OBD_ALLOC(ldata, sizeof(*ldata));
+ if (ldata == NULL)
+ RETURN(-ENOMEM);
+
+ rc = linkea_data_new(ldata, &buf);
+ if (rc < 0)
+ GOTO(ldata_free, rc);
+
+ rc = ll_getxattr(dentry, XATTR_NAME_LINK, buf.lb_buf, buf.lb_len);
+ if (rc < 0)
+ GOTO(lb_free, rc);
+
+ rc = ll_linkea_decode(ldata, linkno, &parent_fid, &ln);
+ if (rc < 0)
+ GOTO(lb_free, rc);
+
+ if (ln.ln_namelen >= name_size)
+ GOTO(lb_free, rc = -EOVERFLOW);
+
+ if (copy_to_user(&arg->gp_fid, &parent_fid, sizeof(arg->gp_fid)))
+ GOTO(lb_free, rc = -EFAULT);
+
+ if (copy_to_user(&arg->gp_name, ln.ln_name, ln.ln_namelen))
+ GOTO(lb_free, rc = -EFAULT);
+
+ if (put_user('\0', arg->gp_name + ln.ln_namelen))
+ GOTO(lb_free, rc = -EFAULT);
+
+lb_free:
+ lu_buf_free(&buf);
+ldata_free:
+ OBD_FREE(ldata, sizeof(*ldata));
+
+ RETURN(rc);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff