*
* 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) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2014, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*
* lustre/obdclass/obdo.c
*
#define DEBUG_SUBSYSTEM S_CLASS
+#include <linux/user_namespace.h>
+#include <linux/uidgid.h>
+
#include <obd_class.h>
-#include <lustre/lustre_idl.h>
+#include <lustre_obdo.h>
void obdo_set_parent_fid(struct obdo *dst, const struct lu_fid *parent)
{
- dst->o_parent_oid = fid_oid(parent);
- dst->o_parent_seq = fid_seq(parent);
- dst->o_parent_ver = fid_ver(parent);
- dst->o_valid |= OBD_MD_FLGENER | OBD_MD_FLFID;
+ dst->o_parent_oid = fid_oid(parent);
+ dst->o_parent_seq = fid_seq(parent);
+ dst->o_parent_ver = fid_ver(parent);
+ dst->o_valid |= OBD_MD_FLPARENT | OBD_MD_FLFID;
}
EXPORT_SYMBOL(obdo_set_parent_fid);
-/* WARNING: the file systems must take care not to tinker with
- attributes they don't manage (such as blocks). */
-void obdo_from_inode(struct obdo *dst, struct inode *src, u32 valid)
+void obdo_set_o_projid(struct obdo *dst, u32 projid)
+{
+ dst->o_projid = projid;
+ dst->o_valid |= OBD_MD_FLPROJID;
+}
+EXPORT_SYMBOL(obdo_set_o_projid);
+
+/*
+ * WARNING: the file systems must take care not to tinker with
+ * attributes they don't manage (such as blocks).
+ */
+void obdo_from_inode(struct obdo *dst, struct inode *src, u64 valid)
{
- u32 newvalid = 0;
-
- if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
- CDEBUG(D_INODE, "valid %x, new time %lu/%lu\n",
- valid, LTIME_S(src->i_mtime),
- LTIME_S(src->i_ctime));
-
- if (valid & OBD_MD_FLATIME) {
- dst->o_atime = LTIME_S(src->i_atime);
- newvalid |= OBD_MD_FLATIME;
- }
- if (valid & OBD_MD_FLMTIME) {
- dst->o_mtime = LTIME_S(src->i_mtime);
- newvalid |= OBD_MD_FLMTIME;
- }
- if (valid & OBD_MD_FLCTIME) {
- dst->o_ctime = LTIME_S(src->i_ctime);
- newvalid |= OBD_MD_FLCTIME;
- }
- if (valid & OBD_MD_FLSIZE) {
- dst->o_size = i_size_read(src);
- newvalid |= OBD_MD_FLSIZE;
- }
- if (valid & OBD_MD_FLBLOCKS) { /* allocation of space (x512 bytes) */
- dst->o_blocks = src->i_blocks;
- newvalid |= OBD_MD_FLBLOCKS;
- }
- if (valid & OBD_MD_FLBLKSZ) { /* optimal block size */
+ u64 newvalid = 0;
+
+ if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
+ CDEBUG(D_INODE, "valid %#llx, new time %lld/%lld\n",
+ valid, (s64) src->i_mtime.tv_sec,
+ (s64) src->i_ctime.tv_sec);
+
+ if (valid & OBD_MD_FLATIME) {
+ dst->o_atime = src->i_atime.tv_sec;
+ newvalid |= OBD_MD_FLATIME;
+ }
+ if (valid & OBD_MD_FLMTIME) {
+ dst->o_mtime = src->i_mtime.tv_sec;
+ newvalid |= OBD_MD_FLMTIME;
+ }
+ if (valid & OBD_MD_FLCTIME) {
+ dst->o_ctime = src->i_ctime.tv_sec;
+ newvalid |= OBD_MD_FLCTIME;
+ }
+ if (valid & OBD_MD_FLSIZE) {
+ dst->o_size = i_size_read(src);
+ newvalid |= OBD_MD_FLSIZE;
+ }
+ if (valid & OBD_MD_FLBLOCKS) { /* allocation of space (x512 bytes) */
+ dst->o_blocks = src->i_blocks;
+ newvalid |= OBD_MD_FLBLOCKS;
+ }
+ if (valid & OBD_MD_FLBLKSZ) { /* optimal block size */
dst->o_blksize = 1U << src->i_blkbits;
- newvalid |= OBD_MD_FLBLKSZ;
- }
- if (valid & OBD_MD_FLTYPE) {
- dst->o_mode = (dst->o_mode & S_IALLUGO) |
- (src->i_mode & S_IFMT);
- newvalid |= OBD_MD_FLTYPE;
- }
- if (valid & OBD_MD_FLMODE) {
- dst->o_mode = (dst->o_mode & S_IFMT) |
- (src->i_mode & S_IALLUGO);
- newvalid |= OBD_MD_FLMODE;
- }
+ newvalid |= OBD_MD_FLBLKSZ;
+ }
+ if (valid & OBD_MD_FLTYPE) {
+ dst->o_mode = (dst->o_mode & S_IALLUGO) |
+ (src->i_mode & S_IFMT);
+ newvalid |= OBD_MD_FLTYPE;
+ }
+ if (valid & OBD_MD_FLMODE) {
+ dst->o_mode = (dst->o_mode & S_IFMT) |
+ (src->i_mode & S_IALLUGO);
+ newvalid |= OBD_MD_FLMODE;
+ }
if (valid & OBD_MD_FLUID) {
dst->o_uid = from_kuid(&init_user_ns, src->i_uid);
newvalid |= OBD_MD_FLUID;
}
EXPORT_SYMBOL(obdo_from_inode);
-void obdo_cpy_md(struct obdo *dst, const struct obdo *src, u32 valid)
+void obdo_cpy_md(struct obdo *dst, const struct obdo *src, u64 valid)
{
- CDEBUG(D_INODE, "src obdo "DOSTID" valid "LPX64", dst obdo "DOSTID"\n",
- POSTID(&src->o_oi), src->o_valid, POSTID(&dst->o_oi));
- if (valid & OBD_MD_FLATIME)
- dst->o_atime = src->o_atime;
- if (valid & OBD_MD_FLMTIME)
- dst->o_mtime = src->o_mtime;
- if (valid & OBD_MD_FLCTIME)
- dst->o_ctime = src->o_ctime;
- if (valid & OBD_MD_FLSIZE)
- dst->o_size = src->o_size;
- if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
- dst->o_blocks = src->o_blocks;
- if (valid & OBD_MD_FLBLKSZ)
- dst->o_blksize = src->o_blksize;
- if (valid & OBD_MD_FLTYPE)
- dst->o_mode = (dst->o_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
- if (valid & OBD_MD_FLMODE)
- dst->o_mode = (dst->o_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
- if (valid & OBD_MD_FLUID)
- dst->o_uid = src->o_uid;
- if (valid & OBD_MD_FLGID)
- dst->o_gid = src->o_gid;
- if (valid & OBD_MD_FLFLAGS)
- dst->o_flags = src->o_flags;
- if (valid & OBD_MD_FLFID) {
- dst->o_parent_seq = src->o_parent_seq;
- dst->o_parent_ver = src->o_parent_ver;
- }
- if (valid & OBD_MD_FLGENER)
- dst->o_parent_oid = src->o_parent_oid;
- if (valid & OBD_MD_FLHANDLE)
- dst->o_handle = src->o_handle;
- if (valid & OBD_MD_FLCOOKIE)
- dst->o_lcookie = src->o_lcookie;
-
- dst->o_valid |= valid;
+ CDEBUG(D_INODE, "src obdo "DOSTID" valid %#llx, dst obdo "DOSTID"\n",
+ POSTID(&src->o_oi), src->o_valid, POSTID(&dst->o_oi));
+ if (valid & OBD_MD_FLATIME)
+ dst->o_atime = src->o_atime;
+ if (valid & OBD_MD_FLMTIME)
+ dst->o_mtime = src->o_mtime;
+ if (valid & OBD_MD_FLCTIME)
+ dst->o_ctime = src->o_ctime;
+ if (valid & OBD_MD_FLSIZE)
+ dst->o_size = src->o_size;
+ if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
+ dst->o_blocks = src->o_blocks;
+ if (valid & OBD_MD_FLBLKSZ)
+ dst->o_blksize = src->o_blksize;
+ if (valid & OBD_MD_FLTYPE)
+ dst->o_mode = (dst->o_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
+ if (valid & OBD_MD_FLMODE)
+ dst->o_mode = (dst->o_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
+ if (valid & OBD_MD_FLUID)
+ dst->o_uid = src->o_uid;
+ if (valid & OBD_MD_FLGID)
+ dst->o_gid = src->o_gid;
+ if (valid & OBD_MD_FLFLAGS)
+ dst->o_flags = src->o_flags;
+ if (valid & OBD_MD_FLFID) {
+ dst->o_parent_seq = src->o_parent_seq;
+ dst->o_parent_ver = src->o_parent_ver;
+ }
+ if (valid & OBD_MD_FLPARENT)
+ dst->o_parent_oid = src->o_parent_oid;
+ if (valid & OBD_MD_FLHANDLE)
+ dst->o_handle = src->o_handle;
+
+ dst->o_valid |= valid;
}
EXPORT_SYMBOL(obdo_cpy_md);
if (unlikely(!(oa->o_valid & OBD_MD_FLGROUP)))
ostid_set_seq_mdt0(&ioobj->ioo_oid);
- /* Since 2.4 this does not contain o_mode in the low 16 bits.
- * Instead, it holds (bd_md_max_brw - 1) for multi-bulk BRW RPCs */
+ /*
+ * Since 2.4 this does not contain o_mode in the low 16 bits.
+ * Instead, it holds (bd_md_max_brw - 1) for multi-bulk BRW RPCs
+ */
ioobj->ioo_max_brw = 0;
}
EXPORT_SYMBOL(obdo_to_ioobj);
-static void iattr_from_obdo(struct iattr *attr, const struct obdo *oa,
- u32 valid)
+/*
+ * Create an obdo to send over the wire
+ */
+void lustre_set_wire_obdo(const struct obd_connect_data *ocd,
+ struct obdo *wobdo,
+ const struct obdo *lobdo)
{
- valid &= oa->o_valid;
-
- if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
- CDEBUG(D_INODE, "valid "LPX64", new time "LPU64"/"LPU64"\n",
- oa->o_valid, oa->o_mtime, oa->o_ctime);
-
- attr->ia_valid = 0;
- if (valid & OBD_MD_FLATIME) {
- LTIME_S(attr->ia_atime) = oa->o_atime;
- attr->ia_valid |= ATTR_ATIME;
- }
- if (valid & OBD_MD_FLMTIME) {
- LTIME_S(attr->ia_mtime) = oa->o_mtime;
- attr->ia_valid |= ATTR_MTIME;
- }
- if (valid & OBD_MD_FLCTIME) {
- LTIME_S(attr->ia_ctime) = oa->o_ctime;
- attr->ia_valid |= ATTR_CTIME;
- }
- if (valid & OBD_MD_FLSIZE) {
- attr->ia_size = oa->o_size;
- attr->ia_valid |= ATTR_SIZE;
- }
-#if 0 /* you shouldn't be able to change a file's type with setattr */
- if (valid & OBD_MD_FLTYPE) {
- attr->ia_mode = (attr->ia_mode & ~S_IFMT)|(oa->o_mode & S_IFMT);
- attr->ia_valid |= ATTR_MODE;
- }
-#endif
- if (valid & OBD_MD_FLMODE) {
- attr->ia_mode = (attr->ia_mode & S_IFMT)|(oa->o_mode & ~S_IFMT);
- attr->ia_valid |= ATTR_MODE;
- if (!in_group_p(make_kgid(&init_user_ns, oa->o_gid)) &&
- !cfs_capable(CFS_CAP_FSETID))
- attr->ia_mode &= ~S_ISGID;
- }
- if (valid & OBD_MD_FLUID) {
- attr->ia_uid = make_kuid(&init_user_ns, oa->o_uid);
- attr->ia_valid |= ATTR_UID;
- }
- if (valid & OBD_MD_FLGID) {
- attr->ia_gid = make_kgid(&init_user_ns, oa->o_gid);
- attr->ia_valid |= ATTR_GID;
- }
+ *wobdo = *lobdo;
+ if (ocd == NULL)
+ return;
+
+ if (!(wobdo->o_valid & OBD_MD_FLUID))
+ wobdo->o_uid = from_kuid(&init_user_ns, current_uid());
+ if (!(wobdo->o_valid & OBD_MD_FLGID))
+ wobdo->o_gid = from_kgid(&init_user_ns, current_gid());
+
+ if (unlikely(!(ocd->ocd_connect_flags & OBD_CONNECT_FID)) &&
+ fid_seq_is_echo(ostid_seq(&lobdo->o_oi))) {
+ /*
+ * Currently OBD_FL_OSTID will only be used when 2.4 echo
+ * client communicate with pre-2.4 server
+ */
+ wobdo->o_oi.oi.oi_id = fid_oid(&lobdo->o_oi.oi_fid);
+ wobdo->o_oi.oi.oi_seq = fid_seq(&lobdo->o_oi.oi_fid);
+ }
}
+EXPORT_SYMBOL(lustre_set_wire_obdo);
-void md_from_obdo(struct md_op_data *op_data, const struct obdo *oa,
- u32 valid)
+/*
+ * Create a local obdo from a wire based odbo
+ */
+void lustre_get_wire_obdo(const struct obd_connect_data *ocd,
+ struct obdo *lobdo,
+ const struct obdo *wobdo)
{
- iattr_from_obdo(&op_data->op_attr, oa, valid);
- if (valid & OBD_MD_FLBLOCKS) {
- op_data->op_attr_blocks = oa->o_blocks;
- op_data->op_attr.ia_valid |= ATTR_BLOCKS;
- }
- if (valid & OBD_MD_FLFLAGS) {
- op_data->op_attr_flags = oa->o_flags;
- op_data->op_attr.ia_valid |= ATTR_ATTR_FLAG;
- }
+ *lobdo = *wobdo;
+ if (ocd == NULL)
+ return;
+
+ if (unlikely(!(ocd->ocd_connect_flags & OBD_CONNECT_FID)) &&
+ fid_seq_is_echo(wobdo->o_oi.oi.oi_seq)) {
+ /* see above */
+ lobdo->o_oi.oi_fid.f_seq = wobdo->o_oi.oi.oi_seq;
+ lobdo->o_oi.oi_fid.f_oid = wobdo->o_oi.oi.oi_id;
+ lobdo->o_oi.oi_fid.f_ver = 0;
+ }
}
-EXPORT_SYMBOL(md_from_obdo);
+EXPORT_SYMBOL(lustre_get_wire_obdo);