Messages in this thread | | | Date | Sat, 30 Oct 2021 03:40:31 +0800 | From | kernel test robot <> | Subject | [bigeasy-staging:seqcount 4/4] fs/nfs/nfs4proc.c:3044:15: error: implicit declaration of function 'seqcount_begin'; did you mean 'seqcount_init'? |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/bigeasy/staging.git seqcount head: 23585d7067f694168efe0c82b86371339c7bdc51 commit: 23585d7067f694168efe0c82b86371339c7bdc51 [4/4] nfs: Use the lockdep version while using the seqcount. config: arc-allyesconfig (attached as .config) compiler: arceb-elf-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/bigeasy/staging.git/commit/?id=23585d7067f694168efe0c82b86371339c7bdc51 git remote add bigeasy-staging https://git.kernel.org/pub/scm/linux/kernel/git/bigeasy/staging.git git fetch --no-tags bigeasy-staging seqcount git checkout 23585d7067f694168efe0c82b86371339c7bdc51 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
fs/nfs/nfs4proc.c: In function '_nfs4_open_and_get_state': >> fs/nfs/nfs4proc.c:3044:15: error: implicit declaration of function 'seqcount_begin'; did you mean 'seqcount_init'? [-Werror=implicit-function-declaration] 3044 | seq = seqcount_begin(&sp->so_reclaim_seqcount); | ^~~~~~~~~~~~~~ | seqcount_init cc1: all warnings being treated as errors -- fs/nfs/delegation.c: In function 'nfs_delegation_claim_opens': >> fs/nfs/delegation.c:205:23: error: implicit declaration of function 'seqcount_begin'; did you mean 'seqcount_init'? [-Werror=implicit-function-declaration] 205 | seq = seqcount_begin(&sp->so_reclaim_seqcount); | ^~~~~~~~~~~~~~ | seqcount_init cc1: all warnings being treated as errors
vim +3044 fs/nfs/nfs4proc.c
3030 3031 static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata, 3032 int flags, struct nfs_open_context *ctx) 3033 { 3034 struct nfs4_state_owner *sp = opendata->owner; 3035 struct nfs_server *server = sp->so_server; 3036 struct dentry *dentry; 3037 struct nfs4_state *state; 3038 fmode_t acc_mode = _nfs4_ctx_to_accessmode(ctx); 3039 struct inode *dir = d_inode(opendata->dir); 3040 unsigned long dir_verifier; 3041 unsigned int seq; 3042 int ret; 3043 > 3044 seq = seqcount_begin(&sp->so_reclaim_seqcount); 3045 dir_verifier = nfs_save_change_attribute(dir); 3046 3047 ret = _nfs4_proc_open(opendata, ctx); 3048 if (ret != 0) 3049 goto out; 3050 3051 state = _nfs4_opendata_to_nfs4_state(opendata); 3052 ret = PTR_ERR(state); 3053 if (IS_ERR(state)) 3054 goto out; 3055 ctx->state = state; 3056 if (server->caps & NFS_CAP_POSIX_LOCK) 3057 set_bit(NFS_STATE_POSIX_LOCKS, &state->flags); 3058 if (opendata->o_res.rflags & NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK) 3059 set_bit(NFS_STATE_MAY_NOTIFY_LOCK, &state->flags); 3060 3061 dentry = opendata->dentry; 3062 if (d_really_is_negative(dentry)) { 3063 struct dentry *alias; 3064 d_drop(dentry); 3065 alias = d_exact_alias(dentry, state->inode); 3066 if (!alias) 3067 alias = d_splice_alias(igrab(state->inode), dentry); 3068 /* d_splice_alias() can't fail here - it's a non-directory */ 3069 if (alias) { 3070 dput(ctx->dentry); 3071 ctx->dentry = dentry = alias; 3072 } 3073 } 3074 3075 switch(opendata->o_arg.claim) { 3076 default: 3077 break; 3078 case NFS4_OPEN_CLAIM_NULL: 3079 case NFS4_OPEN_CLAIM_DELEGATE_CUR: 3080 case NFS4_OPEN_CLAIM_DELEGATE_PREV: 3081 if (!opendata->rpc_done) 3082 break; 3083 if (opendata->o_res.delegation_type != 0) 3084 dir_verifier = nfs_save_change_attribute(dir); 3085 nfs_set_verifier(dentry, dir_verifier); 3086 } 3087 3088 /* Parse layoutget results before we check for access */ 3089 pnfs_parse_lgopen(state->inode, opendata->lgp, ctx); 3090 3091 ret = nfs4_opendata_access(sp->so_cred, opendata, state, 3092 acc_mode, flags); 3093 if (ret != 0) 3094 goto out; 3095 3096 if (d_inode(dentry) == state->inode) { 3097 nfs_inode_attach_open_context(ctx); 3098 if (read_seqcount_retry(&sp->so_reclaim_seqcount, seq)) 3099 nfs4_schedule_stateid_recovery(server, state); 3100 } 3101 3102 out: 3103 if (!opendata->cancelled) 3104 nfs4_sequence_free_slot(&opendata->o_res.seq_res); 3105 return ret; 3106 } 3107
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