*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2015, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <obd_support.h>
#include <lustre_fid.h>
#include <lustre_dlm.h>
-#include <lustre_ver.h>
#include <lustre_mdc.h>
#include <cl_object.h>
* mutex.
*/
struct lu_env *cl_inode_fini_env;
-int cl_inode_fini_refcheck;
+__u16 cl_inode_fini_refcheck;
/**
* A mutex serializing calls to slp_inode_fini() under extreme memory
static DEFINE_MUTEX(cl_inode_fini_guard);
int cl_setattr_ost(struct cl_object *obj, const struct iattr *attr,
- unsigned int attr_flags)
+ enum op_xvalid xvalid, unsigned int attr_flags)
{
- struct lu_env *env;
- struct cl_io *io;
- int result;
- int refcheck;
+ struct lu_env *env;
+ struct cl_io *io;
+ int result;
+ __u16 refcheck;
- ENTRY;
+ ENTRY;
- env = cl_env_get(&refcheck);
- if (IS_ERR(env))
- RETURN(PTR_ERR(env));
+ env = cl_env_get(&refcheck);
+ if (IS_ERR(env))
+ RETURN(PTR_ERR(env));
io = vvp_env_thread_io(env);
io->ci_obj = obj;
io->ci_verify_layout = 1;
- io->u.ci_setattr.sa_attr.lvb_atime = LTIME_S(attr->ia_atime);
- io->u.ci_setattr.sa_attr.lvb_mtime = LTIME_S(attr->ia_mtime);
- io->u.ci_setattr.sa_attr.lvb_ctime = LTIME_S(attr->ia_ctime);
+ io->u.ci_setattr.sa_attr.lvb_atime = attr->ia_atime.tv_sec;
+ io->u.ci_setattr.sa_attr.lvb_mtime = attr->ia_mtime.tv_sec;
+ io->u.ci_setattr.sa_attr.lvb_ctime = attr->ia_ctime.tv_sec;
io->u.ci_setattr.sa_attr.lvb_size = attr->ia_size;
io->u.ci_setattr.sa_attr_flags = attr_flags;
- io->u.ci_setattr.sa_valid = attr->ia_valid;
+ io->u.ci_setattr.sa_avalid = attr->ia_valid;
+ io->u.ci_setattr.sa_xvalid = xvalid;
io->u.ci_setattr.sa_parent_fid = lu_object_fid(&obj->co_lu);
again:
- if (cl_io_init(env, io, CIT_SETATTR, io->ci_obj) == 0) {
+ if (attr->ia_valid & ATTR_FILE)
+ ll_io_set_mirror(io, attr->ia_file);
+
+ if (cl_io_init(env, io, CIT_SETATTR, io->ci_obj) == 0) {
struct vvp_io *vio = vvp_env_io(env);
if (attr->ia_valid & ATTR_FILE)
/* populate the file descriptor for ftruncate to honor
* group lock - see LU-787 */
- vio->vui_fd = LUSTRE_FPRIVATE(attr->ia_file);
+ vio->vui_fd = attr->ia_file->private_data;
- result = cl_io_loop(env, io);
- } else {
- result = io->ci_result;
- }
- cl_io_fini(env, io);
+ result = cl_io_loop(env, io);
+ } else {
+ result = io->ci_result;
+ }
+ cl_io_fini(env, io);
if (unlikely(io->ci_need_restart))
goto again;
}
};
int result = 0;
- int refcheck;
+ __u16 refcheck;
LASSERT(md->body->mbo_valid & OBD_MD_FLID);
LASSERT(S_ISREG(inode->i_mode));
site = ll_i2sbi(inode)->ll_site;
lli = ll_i2info(inode);
- fid = &lli->lli_fid;
- LASSERT(fid_is_sane(fid));
-
- if (lli->lli_clob == NULL) {
- /* clob is slave of inode, empty lli_clob means for new inode,
- * there is no clob in cache with the given fid, so it is
- * unnecessary to perform lookup-alloc-lookup-insert, just
- * alloc and insert directly. */
- LASSERT(inode->i_state & I_NEW);
- conf.coc_lu.loc_flags = LOC_F_NEW;
- clob = cl_object_find(env, lu2cl_dev(site->ls_top_dev),
- fid, &conf);
- if (!IS_ERR(clob)) {
- /*
- * No locking is necessary, as new inode is
- * locked by I_NEW bit.
- */
- lli->lli_clob = clob;
- lu_object_ref_add(&clob->co_lu, "inode", inode);
- } else
- result = PTR_ERR(clob);
+ fid = &lli->lli_fid;
+ LASSERT(fid_is_sane(fid));
+
+ if (lli->lli_clob == NULL) {
+ /* clob is slave of inode, empty lli_clob means for new inode,
+ * there is no clob in cache with the given fid, so it is
+ * unnecessary to perform lookup-alloc-lookup-insert, just
+ * alloc and insert directly.
+ */
+ if (!(inode->i_state & I_NEW)) {
+ result = -EIO;
+ CERROR("%s: unexpected not-NEW inode "DFID": rc = %d\n",
+ ll_i2sbi(inode)->ll_fsname, PFID(fid), result);
+ goto out;
+ }
+
+ conf.coc_lu.loc_flags = LOC_F_NEW;
+ clob = cl_object_find(env, lu2cl_dev(site->ls_top_dev),
+ fid, &conf);
+ if (!IS_ERR(clob)) {
+ /*
+ * No locking is necessary, as new inode is
+ * locked by I_NEW bit.
+ */
+ lli->lli_clob = clob;
+ lu_object_ref_add(&clob->co_lu, "inode", inode);
+ } else {
+ result = PTR_ERR(clob);
+ }
} else {
result = cl_conf_set(env, lli->lli_clob, &conf);
+ if (result == -EBUSY) {
+ /* ignore the error since I/O will handle it later */
+ result = 0;
+ }
}
- cl_env_put(env, &refcheck);
+ if (result != 0)
+ CERROR("%s: failed to initialize cl_object "DFID": rc = %d\n",
+ ll_i2sbi(inode)->ll_fsname, PFID(fid), result);
- if (result != 0)
- CERROR("Failure to initialize cl object "DFID": %d\n",
- PFID(fid), result);
- return result;
+out:
+ cl_env_put(env, &refcheck);
+
+ return result;
}
/**
static void cl_object_put_last(struct lu_env *env, struct cl_object *obj)
{
struct lu_object_header *header = obj->co_lu.lo_header;
- wait_queue_t waiter;
if (unlikely(atomic_read(&header->loh_ref) != 1)) {
struct lu_site *site = obj->co_lu.lo_dev->ld_site;
- struct lu_site_bkt_data *bkt;
-
- bkt = lu_site_bkt_from_fid(site, &header->loh_fid);
+ wait_queue_head_t *wq;
- init_waitqueue_entry(&waiter, current);
- add_wait_queue(&bkt->lsb_marche_funebre, &waiter);
+ wq = lu_site_wq_from_fid(site, &header->loh_fid);
- while (1) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- if (atomic_read(&header->loh_ref) == 1)
- break;
- schedule();
- }
-
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&bkt->lsb_marche_funebre, &waiter);
+ wait_event(*wq, atomic_read(&header->loh_ref) == 1);
}
cl_object_put(env, obj);
{
struct lu_env *env;
struct ll_inode_info *lli = ll_i2info(inode);
- struct cl_object *clob = lli->lli_clob;
- int refcheck;
- int emergency;
+ struct cl_object *clob = lli->lli_clob;
+ __u16 refcheck;
+ int emergency;
- if (clob != NULL) {
- void *cookie;
-
- cookie = cl_env_reenter();
- env = cl_env_get(&refcheck);
- emergency = IS_ERR(env);
+ if (clob != NULL) {
+ env = cl_env_get(&refcheck);
+ emergency = IS_ERR(env);
if (emergency) {
mutex_lock(&cl_inode_fini_guard);
LASSERT(cl_inode_fini_env != NULL);
- cl_env_implant(cl_inode_fini_env, &refcheck);
env = cl_inode_fini_env;
}
lu_object_ref_del(&clob->co_lu, "inode", inode);
cl_object_put_last(env, clob);
lli->lli_clob = NULL;
- if (emergency) {
- cl_env_unplant(cl_inode_fini_env, &refcheck);
+ if (emergency)
mutex_unlock(&cl_inode_fini_guard);
- } else {
+ else
cl_env_put(env, &refcheck);
- }
-
- cl_env_reexit(cookie);
- }
+ }
}
/**
- * build inode number from passed @fid */
+ * build inode number from passed @fid.
+ *
+ * For 32-bit systems or syscalls limit the inode number to a 32-bit value
+ * to avoid EOVERFLOW errors. This will inevitably result in inode number
+ * collisions, but fid_flatten32() tries hard to avoid this if possible.
+ */
__u64 cl_fid_build_ino(const struct lu_fid *fid, int api32)
{
- if (BITS_PER_LONG == 32 || api32)
- RETURN(fid_flatten32(fid));
- else
- RETURN(fid_flatten(fid));
+ if (BITS_PER_LONG == 32 || api32)
+ RETURN(fid_flatten32(fid));
+
+ RETURN(fid_flatten(fid));
}
/**
* build inode generation from passed @fid. If our FID overflows the 32-bit
- * inode number then return a non-zero generation to distinguish them. */
+ * inode number then return a non-zero generation to distinguish them.
+ */
__u32 cl_fid_build_gen(const struct lu_fid *fid)
{
- __u32 gen;
- ENTRY;
-
- if (fid_is_igif(fid)) {
- gen = lu_igif_gen(fid);
- RETURN(gen);
- }
+ if (fid_is_igif(fid))
+ RETURN(lu_igif_gen(fid));
- gen = (fid_flatten(fid) >> 32);
- RETURN(gen);
+ RETURN(fid_flatten(fid) >> 32);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff