This patch resolves https://bugzilla.redhat.com/show_bug.cgi?id=794780
Thank you Orion for doing the unit testing! Signed-off-by: Steve Dickson <[email protected]> Tested-by: Orion Poplawski <[email protected]> --- ...the-owner-group-name-string-when-doing-op.patch | 605 ++++++++++++++++++++ kernel.spec | 5 + 2 files changed, 610 insertions(+), 0 deletions(-) create mode 100644 NFSv4-Save-the-owner-group-name-string-when-doing-op.patch diff --git a/NFSv4-Save-the-owner-group-name-string-when-doing-op.patch b/NFSv4-Save-the-owner-group-name-string-when-doing-op.patch new file mode 100644 index 0000000..610ec01 --- /dev/null +++ b/NFSv4-Save-the-owner-group-name-string-when-doing-op.patch @@ -0,0 +1,605 @@ +ommit 6926afd1925a54a13684ebe05987868890665e2b +Author: Trond Myklebust <[email protected]> +Date: Sat Jan 7 13:22:46 2012 -0500 + + NFSv4: Save the owner/group name string when doing open + + ...so that we can do the uid/gid mapping outside the asynchronous RPC + context. + This fixes a bug in the current NFSv4 atomic open code where the client + isn't able to determine what the true uid/gid fields of the file are, + (because the asynchronous nature of the OPEN call denies it the ability + to do an upcall) and so fills them with default values, marking the + inode as needing revalidation. + Unfortunately, in some cases, the VFS will do some additional sanity + checks on the file, and may override the server's decision to allow + the open because it sees the wrong owner/group fields. + + Signed-off-by: Trond Myklebust <[email protected]> + +diff -up linux-3.2.noarch/fs/nfs/idmap.c.orig linux-3.2.noarch/fs/nfs/idmap.c +--- linux-3.2.noarch/fs/nfs/idmap.c.orig 2012-03-15 10:38:58.876578000 -0400 ++++ linux-3.2.noarch/fs/nfs/idmap.c 2012-03-15 10:51:10.344228000 -0400 +@@ -38,6 +38,89 @@ + #include <linux/kernel.h> + #include <linux/slab.h> + #include <linux/nfs_idmap.h> ++#include <linux/nfs_fs.h> ++ ++/** ++ * nfs_fattr_init_names - initialise the nfs_fattr owner_name/group_name fields ++ * @fattr: fully initialised struct nfs_fattr ++ * @owner_name: owner name string cache ++ * @group_name: group name string cache ++ */ ++void nfs_fattr_init_names(struct nfs_fattr *fattr, ++ struct nfs4_string *owner_name, ++ struct nfs4_string *group_name) ++{ ++ fattr->owner_name = owner_name; ++ fattr->group_name = group_name; ++} ++ ++static void nfs_fattr_free_owner_name(struct nfs_fattr *fattr) ++{ ++ fattr->valid &= ~NFS_ATTR_FATTR_OWNER_NAME; ++ kfree(fattr->owner_name->data); ++} ++ ++static void nfs_fattr_free_group_name(struct nfs_fattr *fattr) ++{ ++ fattr->valid &= ~NFS_ATTR_FATTR_GROUP_NAME; ++ kfree(fattr->group_name->data); ++} ++ ++static bool nfs_fattr_map_owner_name(struct nfs_server *server, struct nfs_fattr *fattr) ++{ ++ struct nfs4_string *owner = fattr->owner_name; ++ __u32 uid; ++ ++ if (!(fattr->valid & NFS_ATTR_FATTR_OWNER_NAME)) ++ return false; ++ if (nfs_map_name_to_uid(server, owner->data, owner->len, &uid) == 0) { ++ fattr->uid = uid; ++ fattr->valid |= NFS_ATTR_FATTR_OWNER; ++ } ++ return true; ++} ++ ++static bool nfs_fattr_map_group_name(struct nfs_server *server, struct nfs_fattr *fattr) ++{ ++ struct nfs4_string *group = fattr->group_name; ++ __u32 gid; ++ ++ if (!(fattr->valid & NFS_ATTR_FATTR_GROUP_NAME)) ++ return false; ++ if (nfs_map_group_to_gid(server, group->data, group->len, &gid) == 0) { ++ fattr->gid = gid; ++ fattr->valid |= NFS_ATTR_FATTR_GROUP; ++ } ++ return true; ++} ++ ++/** ++ * nfs_fattr_free_names - free up the NFSv4 owner and group strings ++ * @fattr: a fully initialised nfs_fattr structure ++ */ ++void nfs_fattr_free_names(struct nfs_fattr *fattr) ++{ ++ if (fattr->valid & NFS_ATTR_FATTR_OWNER_NAME) ++ nfs_fattr_free_owner_name(fattr); ++ if (fattr->valid & NFS_ATTR_FATTR_GROUP_NAME) ++ nfs_fattr_free_group_name(fattr); ++} ++ ++/** ++ * nfs_fattr_map_and_free_names - map owner/group strings into uid/gid and free ++ * @server: pointer to the filesystem nfs_server structure ++ * @fattr: a fully initialised nfs_fattr structure ++ * ++ * This helper maps the cached NFSv4 owner/group strings in fattr into ++ * their numeric uid/gid equivalents, and then frees the cached strings. ++ */ ++void nfs_fattr_map_and_free_names(struct nfs_server *server, struct nfs_fattr *fattr) ++{ ++ if (nfs_fattr_map_owner_name(server, fattr)) ++ nfs_fattr_free_owner_name(fattr); ++ if (nfs_fattr_map_group_name(server, fattr)) ++ nfs_fattr_free_group_name(fattr); ++} + + static int nfs_map_string_to_numeric(const char *name, size_t namelen, __u32 *res) + { +diff -up linux-3.2.noarch/fs/nfs/inode.c.orig linux-3.2.noarch/fs/nfs/inode.c +--- linux-3.2.noarch/fs/nfs/inode.c.orig 2012-03-15 10:39:00.362624000 -0400 ++++ linux-3.2.noarch/fs/nfs/inode.c 2012-03-15 10:51:10.352227000 -0400 +@@ -1020,6 +1020,8 @@ void nfs_fattr_init(struct nfs_fattr *fa + fattr->valid = 0; + fattr->time_start = jiffies; + fattr->gencount = nfs_inc_attr_generation_counter(); ++ fattr->owner_name = NULL; ++ fattr->group_name = NULL; + } + + struct nfs_fattr *nfs_alloc_fattr(void) +diff -up linux-3.2.noarch/fs/nfs/nfs4proc.c.orig linux-3.2.noarch/fs/nfs/nfs4proc.c +--- linux-3.2.noarch/fs/nfs/nfs4proc.c.orig 2012-03-15 10:39:00.380629000 -0400 ++++ linux-3.2.noarch/fs/nfs/nfs4proc.c 2012-03-15 10:51:10.362231000 -0400 +@@ -52,6 +52,7 @@ + #include <linux/namei.h> + #include <linux/mount.h> + #include <linux/module.h> ++#include <linux/nfs_idmap.h> + #include <linux/sunrpc/bc_xprt.h> + #include <linux/xattr.h> + #include <linux/utsname.h> +@@ -765,6 +766,8 @@ struct nfs4_opendata { + struct nfs_openres o_res; + struct nfs_open_confirmargs c_arg; + struct nfs_open_confirmres c_res; ++ struct nfs4_string owner_name; ++ struct nfs4_string group_name; + struct nfs_fattr f_attr; + struct nfs_fattr dir_attr; + struct dentry *dir; +@@ -788,6 +791,7 @@ static void nfs4_init_opendata_res(struc + p->o_res.server = p->o_arg.server; + nfs_fattr_init(&p->f_attr); + nfs_fattr_init(&p->dir_attr); ++ nfs_fattr_init_names(&p->f_attr, &p->owner_name, &p->group_name); + } + + static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, +@@ -819,6 +823,7 @@ static struct nfs4_opendata *nfs4_openda + p->o_arg.name = &dentry->d_name; + p->o_arg.server = server; + p->o_arg.bitmask = server->attr_bitmask; ++ p->o_arg.dir_bitmask = server->cache_consistency_bitmask; + p->o_arg.claim = NFS4_OPEN_CLAIM_NULL; + if (flags & O_CREAT) { + u32 *s; +@@ -855,6 +860,7 @@ static void nfs4_opendata_free(struct kr + dput(p->dir); + dput(p->dentry); + nfs_sb_deactive(sb); ++ nfs_fattr_free_names(&p->f_attr); + kfree(p); + } + +@@ -1579,6 +1585,8 @@ static int _nfs4_recover_proc_open(struc + if (status != 0 || !data->rpc_done) + return status; + ++ nfs_fattr_map_and_free_names(NFS_SERVER(dir), &data->f_attr); ++ + nfs_refresh_inode(dir, o_res->dir_attr); + + if (o_res->rflags & NFS4_OPEN_RESULT_CONFIRM) { +@@ -1611,6 +1619,8 @@ static int _nfs4_proc_open(struct nfs4_o + return status; + } + ++ nfs_fattr_map_and_free_names(server, &data->f_attr); ++ + if (o_arg->open_flags & O_CREAT) { + update_changeattr(dir, &o_res->cinfo); + nfs_post_op_update_inode(dir, o_res->dir_attr); +diff -up linux-3.2.noarch/fs/nfs/nfs4xdr.c.orig linux-3.2.noarch/fs/nfs/nfs4xdr.c +--- linux-3.2.noarch/fs/nfs/nfs4xdr.c.orig 2012-03-15 10:38:54.054438000 -0400 ++++ linux-3.2.noarch/fs/nfs/nfs4xdr.c 2012-03-15 10:51:10.373231000 -0400 +@@ -2298,7 +2298,7 @@ static void nfs4_xdr_enc_open(struct rpc + encode_getfh(xdr, &hdr); + encode_getfattr(xdr, args->bitmask, &hdr); + encode_restorefh(xdr, &hdr); +- encode_getfattr(xdr, args->bitmask, &hdr); ++ encode_getfattr(xdr, args->dir_bitmask, &hdr); + encode_nops(&hdr); + } + +@@ -3791,7 +3791,8 @@ out_overflow: + } + + static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, +- const struct nfs_server *server, uint32_t *uid, int may_sleep) ++ const struct nfs_server *server, uint32_t *uid, ++ struct nfs4_string *owner_name) + { + uint32_t len; + __be32 *p; +@@ -3808,8 +3809,12 @@ static int decode_attr_owner(struct xdr_ + p = xdr_inline_decode(xdr, len); + if (unlikely(!p)) + goto out_overflow; +- if (!may_sleep) { +- /* do nothing */ ++ if (owner_name != NULL) { ++ owner_name->data = kmemdup(p, len, GFP_NOWAIT); ++ if (owner_name->data != NULL) { ++ owner_name->len = len; ++ ret = NFS_ATTR_FATTR_OWNER_NAME; ++ } + } else if (len < XDR_MAX_NETOBJ) { + if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) + ret = NFS_ATTR_FATTR_OWNER; +@@ -3829,7 +3834,8 @@ out_overflow: + } + + static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, +- const struct nfs_server *server, uint32_t *gid, int may_sleep) ++ const struct nfs_server *server, uint32_t *gid, ++ struct nfs4_string *group_name) + { + uint32_t len; + __be32 *p; +@@ -3846,8 +3852,12 @@ static int decode_attr_group(struct xdr_ + p = xdr_inline_decode(xdr, len); + if (unlikely(!p)) + goto out_overflow; +- if (!may_sleep) { +- /* do nothing */ ++ if (group_name != NULL) { ++ group_name->data = kmemdup(p, len, GFP_NOWAIT); ++ if (group_name->data != NULL) { ++ group_name->len = len; ++ ret = NFS_ATTR_FATTR_GROUP_NAME; ++ } + } else if (len < XDR_MAX_NETOBJ) { + if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) + ret = NFS_ATTR_FATTR_GROUP; +@@ -4284,7 +4294,7 @@ xdr_error: + + static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, + struct nfs_fattr *fattr, struct nfs_fh *fh, +- const struct nfs_server *server, int may_sleep) ++ const struct nfs_server *server) + { + int status; + umode_t fmode = 0; +@@ -4351,12 +4361,12 @@ static int decode_getfattr_attrs(struct + goto xdr_error; + fattr->valid |= status; + +- status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, may_sleep); ++ status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); + if (status < 0) + goto xdr_error; + fattr->valid |= status; + +- status = decode_attr_group(xdr, bitmap, server, &fattr->gid, may_sleep); ++ status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); + if (status < 0) + goto xdr_error; + fattr->valid |= status; +@@ -4397,7 +4407,7 @@ xdr_error: + } + + static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, +- struct nfs_fh *fh, const struct nfs_server *server, int may_sleep) ++ struct nfs_fh *fh, const struct nfs_server *server) + { + __be32 *savep; + uint32_t attrlen, +@@ -4416,7 +4426,7 @@ static int decode_getfattr_generic(struc + if (status < 0) + goto xdr_error; + +- status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, server, may_sleep); ++ status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, server); + if (status < 0) + goto xdr_error; + +@@ -4427,9 +4437,9 @@ xdr_error: + } + + static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, +- const struct nfs_server *server, int may_sleep) ++ const struct nfs_server *server) + { +- return decode_getfattr_generic(xdr, fattr, NULL, server, may_sleep); ++ return decode_getfattr_generic(xdr, fattr, NULL, server); + } + + /* +@@ -5710,8 +5720,7 @@ static int nfs4_xdr_dec_open_downgrade(s + status = decode_open_downgrade(xdr, res); + if (status != 0) + goto out; +- decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -5737,8 +5746,7 @@ static int nfs4_xdr_dec_access(struct rp + status = decode_access(xdr, res); + if (status != 0) + goto out; +- decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -5767,8 +5775,7 @@ static int nfs4_xdr_dec_lookup(struct rp + status = decode_getfh(xdr, res->fh); + if (status) + goto out; +- status = decode_getfattr(xdr, res->fattr, res->server +- ,!RPC_IS_ASYNC(rqstp->rq_task)); ++ status = decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -5794,8 +5801,7 @@ static int nfs4_xdr_dec_lookup_root(stru + goto out; + status = decode_getfh(xdr, res->fh); + if (status == 0) +- status = decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ status = decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -5821,8 +5827,7 @@ static int nfs4_xdr_dec_remove(struct rp + status = decode_remove(xdr, &res->cinfo); + if (status) + goto out; +- decode_getfattr(xdr, res->dir_attr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->dir_attr, res->server); + out: + return status; + } +@@ -5855,14 +5860,12 @@ static int nfs4_xdr_dec_rename(struct rp + if (status) + goto out; + /* Current FH is target directory */ +- if (decode_getfattr(xdr, res->new_fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)) != 0) ++ if (decode_getfattr(xdr, res->new_fattr, res->server)) + goto out; + status = decode_restorefh(xdr); + if (status) + goto out; +- decode_getfattr(xdr, res->old_fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->old_fattr, res->server); + out: + return status; + } +@@ -5898,14 +5901,12 @@ static int nfs4_xdr_dec_link(struct rpc_ + * Note order: OP_LINK leaves the directory as the current + * filehandle. + */ +- if (decode_getfattr(xdr, res->dir_attr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)) != 0) ++ if (decode_getfattr(xdr, res->dir_attr, res->server)) + goto out; + status = decode_restorefh(xdr); + if (status) + goto out; +- decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -5937,14 +5938,12 @@ static int nfs4_xdr_dec_create(struct rp + status = decode_getfh(xdr, res->fh); + if (status) + goto out; +- if (decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)) != 0) ++ if (decode_getfattr(xdr, res->fattr, res->server)) + goto out; + status = decode_restorefh(xdr); + if (status) + goto out; +- decode_getfattr(xdr, res->dir_fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->dir_fattr, res->server); + out: + return status; + } +@@ -5976,8 +5975,7 @@ static int nfs4_xdr_dec_getattr(struct r + status = decode_putfh(xdr); + if (status) + goto out; +- status = decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ status = decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -6079,8 +6077,7 @@ static int nfs4_xdr_dec_close(struct rpc + * an ESTALE error. Shouldn't be a problem, + * though, since fattr->valid will remain unset. + */ +- decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -6111,13 +6108,11 @@ static int nfs4_xdr_dec_open(struct rpc_ + goto out; + if (decode_getfh(xdr, &res->fh) != 0) + goto out; +- if (decode_getfattr(xdr, res->f_attr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)) != 0) ++ if (decode_getfattr(xdr, res->f_attr, res->server) != 0) + goto out; + if (decode_restorefh(xdr) != 0) + goto out; +- decode_getfattr(xdr, res->dir_attr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->dir_attr, res->server); + out: + return status; + } +@@ -6165,8 +6160,7 @@ static int nfs4_xdr_dec_open_noattr(stru + status = decode_open(xdr, res); + if (status) + goto out; +- decode_getfattr(xdr, res->f_attr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->f_attr, res->server); + out: + return status; + } +@@ -6193,8 +6187,7 @@ static int nfs4_xdr_dec_setattr(struct r + status = decode_setattr(xdr); + if (status) + goto out; +- decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -6374,8 +6367,7 @@ static int nfs4_xdr_dec_write(struct rpc + if (status) + goto out; + if (res->fattr) +- decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->fattr, res->server); + if (!status) + status = res->count; + out: +@@ -6404,8 +6396,7 @@ static int nfs4_xdr_dec_commit(struct rp + if (status) + goto out; + if (res->fattr) +- decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -6564,8 +6555,7 @@ static int nfs4_xdr_dec_delegreturn(stru + status = decode_delegreturn(xdr); + if (status != 0) + goto out; +- decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -6594,8 +6584,7 @@ static int nfs4_xdr_dec_fs_locations(str + goto out; + xdr_enter_page(xdr, PAGE_SIZE); + status = decode_getfattr(xdr, &res->fs_locations->fattr, +- res->fs_locations->server, +- !RPC_IS_ASYNC(req->rq_task)); ++ res->fs_locations->server); + out: + return status; + } +@@ -6844,8 +6833,7 @@ static int nfs4_xdr_dec_layoutcommit(str + status = decode_layoutcommit(xdr, rqstp, res); + if (status) + goto out; +- decode_getfattr(xdr, res->fattr, res->server, +- !RPC_IS_ASYNC(rqstp->rq_task)); ++ decode_getfattr(xdr, res->fattr, res->server); + out: + return status; + } +@@ -6976,7 +6964,7 @@ int nfs4_decode_dirent(struct xdr_stream + goto out_overflow; + + if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, +- entry->server, 1) < 0) ++ entry->server) < 0) + goto out_overflow; + if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) + entry->ino = entry->fattr->mounted_on_fileid; +diff -up linux-3.2.noarch/include/linux/nfs_idmap.h.orig linux-3.2.noarch/include/linux/nfs_idmap.h +--- linux-3.2.noarch/include/linux/nfs_idmap.h.orig 2012-01-04 18:55:44.000000000 -0500 ++++ linux-3.2.noarch/include/linux/nfs_idmap.h 2012-03-15 10:51:10.395228000 -0400 +@@ -66,6 +66,8 @@ struct idmap_msg { + /* Forward declaration to make this header independent of others */ + struct nfs_client; + struct nfs_server; ++struct nfs_fattr; ++struct nfs4_string; + + #ifdef CONFIG_NFS_USE_NEW_IDMAPPER + +@@ -97,6 +99,12 @@ void nfs_idmap_delete(struct nfs_client + + #endif /* CONFIG_NFS_USE_NEW_IDMAPPER */ + ++void nfs_fattr_init_names(struct nfs_fattr *fattr, ++ struct nfs4_string *owner_name, ++ struct nfs4_string *group_name); ++void nfs_fattr_free_names(struct nfs_fattr *); ++void nfs_fattr_map_and_free_names(struct nfs_server *, struct nfs_fattr *); ++ + int nfs_map_name_to_uid(const struct nfs_server *, const char *, size_t, __u32 *); + int nfs_map_group_to_gid(const struct nfs_server *, const char *, size_t, __u32 *); + int nfs_map_uid_to_name(const struct nfs_server *, __u32, char *, size_t); +diff -up linux-3.2.noarch/include/linux/nfs_xdr.h.orig linux-3.2.noarch/include/linux/nfs_xdr.h +--- linux-3.2.noarch/include/linux/nfs_xdr.h.orig 2012-03-15 10:38:54.464449000 -0400 ++++ linux-3.2.noarch/include/linux/nfs_xdr.h 2012-03-15 10:51:10.415229000 -0400 +@@ -18,6 +18,11 @@ + /* Forward declaration for NFS v3 */ + struct nfs4_secinfo_flavors; + ++struct nfs4_string { ++ unsigned int len; ++ char *data; ++}; ++ + struct nfs_fsid { + uint64_t major; + uint64_t minor; +@@ -61,6 +66,8 @@ struct nfs_fattr { + struct timespec pre_ctime; /* pre_op_attr.ctime */ + unsigned long time_start; + unsigned long gencount; ++ struct nfs4_string *owner_name; ++ struct nfs4_string *group_name; + }; + + #define NFS_ATTR_FATTR_TYPE (1U << 0) +@@ -85,6 +92,8 @@ struct nfs_fattr { + #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */ + #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 20) /* Treat as mountpoint */ + #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 21) ++#define NFS_ATTR_FATTR_OWNER_NAME (1U << 22) ++#define NFS_ATTR_FATTR_GROUP_NAME (1U << 23) + + #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \ + | NFS_ATTR_FATTR_MODE \ +@@ -324,6 +333,7 @@ struct nfs_openargs { + const struct qstr * name; + const struct nfs_server *server; /* Needed for ID mapping */ + const u32 * bitmask; ++ const u32 * dir_bitmask; + __u32 claim; + struct nfs4_sequence_args seq_args; + }; +@@ -342,6 +352,8 @@ struct nfs_openres { + __u32 do_recall; + __u64 maxsize; + __u32 attrset[NFS4_BITMAP_SIZE]; ++ struct nfs4_string *owner; ++ struct nfs4_string *group_owner; + struct nfs4_sequence_res seq_res; + }; + +@@ -778,11 +790,6 @@ struct nfs3_getaclres { + struct posix_acl * acl_default; + }; + +-struct nfs4_string { +- unsigned int len; +- char *data; +-}; +- + #ifdef CONFIG_NFS_V4 + + typedef u64 clientid4; diff --git a/kernel.spec b/kernel.spec index f8e5ee4..f953b74 100644 --- a/kernel.spec +++ b/kernel.spec @@ -741,6 +741,7 @@ Patch3500: jbd-jbd2-validate-sb-s_first-in-journal_get_superblo.patch # NFSv4 Patch4000: NFSv4-Reduce-the-footprint-of-the-idmapper.patch Patch4001: NFSv4-Further-reduce-the-footprint-of-the-idmapper.patch +Patch4003: NFSv4-Save-the-owner-group-name-string-when-doing-op.patch # patches headed upstream @@ -1409,6 +1410,7 @@ ApplyPatch jbd-jbd2-validate-sb-s_first-in-journal_get_superblo.patch # NFSv4 ApplyPatch NFSv4-Reduce-the-footprint-of-the-idmapper.patch ApplyPatch NFSv4-Further-reduce-the-footprint-of-the-idmapper.patch +ApplyPatch NFSv4-Save-the-owner-group-name-string-when-doing-op.patch # USB @@ -2392,6 +2394,9 @@ fi # and build. %changelog +* Mon Mar 19 2012 Steve Dickson <[email protected]> +- NFSv4: Save the owner/group name string when doing open (bz 794780) + * Thu Mar 15 2012 Justin M. Forbes <[email protected]> - 3.2.10-3 - CVE-2012-1179 fix pmd_bad() triggering in code paths holding mmap_sem read mode (rhbz 803809) -- 1.7.7.6 _______________________________________________ kernel mailing list [email protected] https://admin.fedoraproject.org/mailman/listinfo/kernel
