diff options
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/dir.c | 4 | ||||
| -rw-r--r-- | fs/ceph/inode.c | 17 | ||||
| -rw-r--r-- | fs/ceph/mds_client.c | 1 | ||||
| -rw-r--r-- | fs/ceph/mds_client.h | 3 |
4 files changed, 19 insertions, 6 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 3e9ad501addf..ae61cdf7d489 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -378,7 +378,11 @@ more: ceph_mdsc_put_request(req); return -ENOMEM; } + } else if (is_hash_order(ctx->pos)) { + req->r_args.readdir.offset_hash = + cpu_to_le32(fpos_hash(ctx->pos)); } + req->r_dir_release_cnt = fi->dir_release_count; req->r_dir_ordered_cnt = fi->dir_ordered_count; req->r_readdir_cache_idx = fi->readdir_cache_idx; diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index d3119fe3ab45..dcce79b84406 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -1482,10 +1482,17 @@ int ceph_readdir_prepopulate(struct ceph_mds_request *req, if (test_bit(CEPH_MDS_R_ABORTED, &req->r_req_flags)) return readdir_prepopulate_inodes_only(req, session); - if (rinfo->hash_order && req->r_path2) { - last_hash = ceph_str_hash(ci->i_dir_layout.dl_dir_hash, - req->r_path2, strlen(req->r_path2)); - last_hash = ceph_frag_value(last_hash); + if (rinfo->hash_order) { + if (req->r_path2) { + last_hash = ceph_str_hash(ci->i_dir_layout.dl_dir_hash, + req->r_path2, + strlen(req->r_path2)); + last_hash = ceph_frag_value(last_hash); + } else if (rinfo->offset_hash) { + /* mds understands offset_hash */ + WARN_ON_ONCE(req->r_readdir_offset != 2); + last_hash = le32_to_cpu(rhead->args.readdir.offset_hash); + } } if (rinfo->dir_dir && @@ -1510,7 +1517,7 @@ int ceph_readdir_prepopulate(struct ceph_mds_request *req, } if (ceph_frag_is_leftmost(frag) && req->r_readdir_offset == 2 && - !(rinfo->hash_order && req->r_path2)) { + !(rinfo->hash_order && last_hash)) { /* note dir version at start of readdir so we can tell * if any dentries get dropped */ req->r_dir_release_cnt = atomic64_read(&ci->i_release_count); diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index a22688873ec3..8cc4d4e8b077 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -189,6 +189,7 @@ static int parse_reply_info_dir(void **p, void *end, info->dir_end = !!(flags & CEPH_READDIR_FRAG_END); info->dir_complete = !!(flags & CEPH_READDIR_FRAG_COMPLETE); info->hash_order = !!(flags & CEPH_READDIR_HASH_ORDER); + info->offset_hash = !!(flags & CEPH_READDIR_OFFSET_HASH); } if (num == 0) goto done; diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index bbebcd55d79e..3e67dd2169fa 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -83,9 +83,10 @@ struct ceph_mds_reply_info_parsed { struct ceph_mds_reply_dirfrag *dir_dir; size_t dir_buf_size; int dir_nr; - bool dir_complete; bool dir_end; + bool dir_complete; bool hash_order; + bool offset_hash; struct ceph_mds_reply_dir_entry *dir_entries; }; |