* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_CLASS
+#include <linux/user_namespace.h>
+#ifdef HAVE_UIDGID_HEADER
+# include <linux/uidgid.h>
+#endif
#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)
{
/* 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, obd_flag valid)
+void obdo_from_inode(struct obdo *dst, struct inode *src, u64 valid)
{
- obd_flag newvalid = 0;
+ u64 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_FLCTIME | OBD_MD_FLMTIME))
+ CDEBUG(D_INODE, "valid %#llx, 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);
}
EXPORT_SYMBOL(obdo_from_inode);
-void obdo_cpy_md(struct obdo *dst, const struct obdo *src, obd_flag 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",
+ 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;
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;
}
}
EXPORT_SYMBOL(obdo_to_ioobj);
-static void iattr_from_obdo(struct iattr *attr, const struct obdo *oa,
- obd_flag 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;
+ *wobdo = *lobdo;
+ wobdo->o_flags &= ~OBD_FL_LOCAL_MASK;
+ if (ocd == NULL)
+ return;
- 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;
- }
+ 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,
- obd_flag 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;
- }
+ __u32 local_flags = 0;
+
+ if (lobdo->o_valid & OBD_MD_FLFLAGS)
+ local_flags = lobdo->o_flags & OBD_FL_LOCAL_MASK;
+
+ *lobdo = *wobdo;
+ if (local_flags != 0) {
+ lobdo->o_valid |= OBD_MD_FLFLAGS;
+ lobdo->o_flags &= ~OBD_FL_LOCAL_MASK;
+ lobdo->o_flags |= local_flags;
+ }
+ 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);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff