...and store them in the ceph_inode_info. Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> --- fs/ceph/file.c | 2 ++ fs/ceph/inode.c | 18 +++++++++++++++ fs/ceph/mds_client.c | 55 ++++++++++++++++++++++++++++++++++++++++++++ fs/ceph/mds_client.h | 4 ++++ fs/ceph/super.h | 5 ++++ 5 files changed, 84 insertions(+) diff --git a/fs/ceph/file.c b/fs/ceph/file.c index d1b855b291dc..b76e87ae5db9 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -592,6 +592,8 @@ static int ceph_finish_async_create(struct inode *dir, struct inode *inode, iinfo.xattr_data = xattr_buf; memset(iinfo.xattr_data, 0, iinfo.xattr_len); + /* FIXME: set fscrypt_auth and fscrypt_file */ + in.ino = cpu_to_le64(vino.ino); in.snapid = cpu_to_le64(CEPH_NOSNAP); in.version = cpu_to_le64(1); // ??? diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 9cf1af06d567..129c62ae7141 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -612,6 +612,11 @@ struct inode *ceph_alloc_inode(struct super_block *sb) ci->i_meta_err = 0; +#ifdef CONFIG_FS_ENCRYPTION + ci->fscrypt_auth = NULL; + ci->fscrypt_auth_len = 0; +#endif + return &ci->vfs_inode; } @@ -620,6 +625,9 @@ void ceph_free_inode(struct inode *inode) struct ceph_inode_info *ci = ceph_inode(inode); kfree(ci->i_symlink); +#ifdef CONFIG_FS_ENCRYPTION + kfree(ci->fscrypt_auth); +#endif kmem_cache_free(ceph_inode_cachep, ci); } @@ -1015,6 +1023,16 @@ int ceph_fill_inode(struct inode *inode, struct page *locked_page, xattr_blob = NULL; } +#ifdef CONFIG_FS_ENCRYPTION + if (iinfo->fscrypt_auth_len && !ci->fscrypt_auth) { + ci->fscrypt_auth_len = iinfo->fscrypt_auth_len; + ci->fscrypt_auth = iinfo->fscrypt_auth; + iinfo->fscrypt_auth = NULL; + iinfo->fscrypt_auth_len = 0; + inode_set_flags(inode, S_ENCRYPTED, S_ENCRYPTED); + } +#endif + /* finally update i_version */ if (le64_to_cpu(info->version) > ci->i_version) ci->i_version = le64_to_cpu(info->version); diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 716ed8cd7d15..240b53d58dda 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -184,8 +184,50 @@ static int parse_reply_info_in(void **p, void *end, info->rsnaps = 0; } + if (struct_v >= 5) { + u32 alen; + + ceph_decode_32_safe(p, end, alen, bad); + + while (alen--) { + u32 len; + + /* key */ + ceph_decode_32_safe(p, end, len, bad); + ceph_decode_skip_n(p, end, len, bad); + /* value */ + ceph_decode_32_safe(p, end, len, bad); + ceph_decode_skip_n(p, end, len, bad); + } + } + + /* fscrypt flag -- ignore */ + if (struct_v >= 6) + ceph_decode_skip_8(p, end, bad); + + info->fscrypt_auth = NULL; + info->fscrypt_file = NULL; + if (struct_v >= 7) { + ceph_decode_32_safe(p, end, info->fscrypt_auth_len, bad); + if (info->fscrypt_auth_len) { + info->fscrypt_auth = kmalloc(info->fscrypt_auth_len, GFP_KERNEL); + if (!info->fscrypt_auth) + return -ENOMEM; + ceph_decode_copy_safe(p, end, info->fscrypt_auth, + info->fscrypt_auth_len, bad); + } + ceph_decode_32_safe(p, end, info->fscrypt_file_len, bad); + if (info->fscrypt_file_len) { + info->fscrypt_file = kmalloc(info->fscrypt_file_len, GFP_KERNEL); + if (!info->fscrypt_file) + return -ENOMEM; + ceph_decode_copy_safe(p, end, info->fscrypt_file, + info->fscrypt_file_len, bad); + } + } *p = end; } else { + /* legacy (unversioned) struct */ if (features & CEPH_FEATURE_MDS_INLINE_DATA) { ceph_decode_64_safe(p, end, info->inline_version, bad); ceph_decode_32_safe(p, end, info->inline_len, bad); @@ -626,8 +668,21 @@ static int parse_reply_info(struct ceph_mds_session *s, struct ceph_msg *msg, static void destroy_reply_info(struct ceph_mds_reply_info_parsed *info) { + int i; + + kfree(info->diri.fscrypt_auth); + kfree(info->diri.fscrypt_file); + kfree(info->targeti.fscrypt_auth); + kfree(info->targeti.fscrypt_file); if (!info->dir_entries) return; + + for (i = 0; i < info->dir_nr; i++) { + struct ceph_mds_reply_dir_entry *rde = info->dir_entries + i; + + kfree(rde->inode.fscrypt_auth); + kfree(rde->inode.fscrypt_file); + } free_pages((unsigned long)info->dir_entries, get_order(info->dir_buf_size)); } diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index c3986a412fb5..98a8710807d1 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -88,6 +88,10 @@ struct ceph_mds_reply_info_in { s32 dir_pin; struct ceph_timespec btime; struct ceph_timespec snap_btime; + u8 *fscrypt_auth; + u8 *fscrypt_file; + u32 fscrypt_auth_len; + u32 fscrypt_file_len; u64 rsnaps; u64 change_attr; }; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index e4c278f6c489..6bb6f9f9d79a 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -435,6 +435,11 @@ struct ceph_inode_info { #ifdef CONFIG_CEPH_FSCACHE struct fscache_cookie *fscache; #endif + u32 fscrypt_auth_len; + u32 fscrypt_file_len; + u8 *fscrypt_auth; + u8 *fscrypt_file; + errseq_t i_meta_err; struct inode vfs_inode; /* at end */ -- 2.31.1
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