X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flclient.h;h=8be6c5bf63845d29bbb85a958d027bd7007a2738;hb=78fc98c662e5a7d98663f318077d621448070070;hp=e937e0016223942fe8f94082e934688ecacbcb42;hpb=96a5daa0c08d7b42ec368080a2a7f0dfb110ef98;p=fs%2Flustre-release.git diff --git a/lustre/include/lclient.h b/lustre/include/lclient.h index e937e00..8be6c5b 100644 --- a/lustre/include/lclient.h +++ b/lustre/include/lclient.h @@ -1,6 +1,4 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: - * +/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. @@ -28,6 +26,8 @@ /* * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. + * + * Copyright (c) 2011, 2012, Whamcloud, Inc. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -43,9 +43,21 @@ #ifndef LCLIENT_H #define LCLIENT_H -int cl_glimpse_size(struct inode *inode); +blkcnt_t dirty_cnt(struct inode *inode); + +int cl_glimpse_size0(struct inode *inode, int agl); int cl_glimpse_lock(const struct lu_env *env, struct cl_io *io, - struct inode *inode, struct cl_object *clob); + struct inode *inode, struct cl_object *clob, int agl); + +static inline int cl_glimpse_size(struct inode *inode) +{ + return cl_glimpse_size0(inode, 0); +} + +static inline int cl_agl(struct inode *inode) +{ + return cl_glimpse_size0(inode, 1); +} /** * Locking policy for setattr. @@ -95,6 +107,10 @@ struct ccc_io { * True iff io is processing glimpse right now. */ int cui_glimpse; + /** + * Layout version when this IO is initialized + */ + __u32 cui_layout_gen; /** * File descriptor against which IO is done. */ @@ -329,8 +345,7 @@ void ccc_io_advance(const struct lu_env *env, const struct cl_io_slice *ios, void ccc_io_update_iov(const struct lu_env *env, struct ccc_io *cio, struct cl_io *io); int ccc_prep_size(const struct lu_env *env, struct cl_object *obj, - struct cl_io *io, loff_t start, size_t count, int vfslock, - int *exceed); + struct cl_io *io, loff_t start, size_t count, int *exceed); void ccc_req_completion(const struct lu_env *env, const struct cl_req_slice *slice, int ioret); void ccc_req_attr_set(const struct lu_env *env,const struct cl_req_slice *slice, @@ -356,12 +371,12 @@ int cl_setattr_ost(struct inode *inode, const struct iattr *attr, struct cl_page *ccc_vmpage_page_transient(cfs_page_t *vmpage); int ccc_object_invariant(const struct cl_object *obj); -int cl_inode_init(struct inode *inode, struct lustre_md *md); +int cl_file_inode_init(struct inode *inode, struct lustre_md *md); void cl_inode_fini(struct inode *inode); int cl_local_size(struct inode *inode); __u16 ll_dirent_type_get(struct lu_dirent *ent); -__u64 cl_fid_build_ino(const struct lu_fid *fid, int need_32bit); +__u64 cl_fid_build_ino(const struct lu_fid *fid, int api32); __u32 cl_fid_build_gen(const struct lu_fid *fid); #ifdef INVARIANT_CHECK @@ -393,4 +408,18 @@ int cl_get_grouplock(struct cl_object *obj, unsigned long gid, int nonblock, struct ccc_grouplock *cg); void cl_put_grouplock(struct ccc_grouplock *cg); +/** + * New interfaces to get and put lov_stripe_md from lov layer. This violates + * layering because lov_stripe_md is supposed to be a private data in lov. + * + * NB: If you find you have to use these interfaces for your new code, please + * think about it again. These interfaces may be removed in the future for + * better layering. */ +struct lov_stripe_md *lov_lsm_get(struct cl_object *clobj); +void lov_lsm_put(struct cl_object *clobj, struct lov_stripe_md *lsm); +int lov_read_and_clear_async_rc(struct cl_object *clob); + +struct lov_stripe_md *ccc_inode_lsm_get(struct inode *inode); +void ccc_inode_lsm_put(struct inode *inode, struct lov_stripe_md *lsm); + #endif /*LCLIENT_H */