diff options
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs3proc.c | 11 | ||||
| -rw-r--r-- | fs/nfsd/nfs3xdr.c | 47 | ||||
| -rw-r--r-- | fs/nfsd/nfs4callback.c | 11 | ||||
| -rw-r--r-- | fs/nfsd/nfsxdr.c | 48 | ||||
| -rw-r--r-- | fs/nfsd/vfs.c | 40 |
5 files changed, 90 insertions, 67 deletions
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c index 041380f..6d2dfed 100644 --- a/fs/nfsd/nfs3proc.c +++ b/fs/nfsd/nfs3proc.c @@ -56,13 +56,20 @@ static int nfsd3_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle *argp, struct nfsd3_attrstat *resp) { - int nfserr; + int err, nfserr; dprintk("nfsd: GETATTR(3) %s\n", - SVCFH_fmt(&argp->fh)); + SVCFH_fmt(&argp->fh)); fh_copy(&resp->fh, &argp->fh); nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP); + if (nfserr) + RETURN_STATUS(nfserr); + + err = vfs_getattr(resp->fh.fh_export->ex_mnt, + resp->fh.fh_dentry, &resp->stat); + nfserr = nfserrno(err); + RETURN_STATUS(nfserr); } diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c index 9147b85..243d94b 100644 --- a/fs/nfsd/nfs3xdr.c +++ b/fs/nfsd/nfs3xdr.c @@ -154,37 +154,34 @@ decode_sattr3(u32 *p, struct iattr *iap) } static inline u32 * -encode_fattr3(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp) +encode_fattr3(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp, + struct kstat *stat) { - struct vfsmount *mnt = fhp->fh_export->ex_mnt; struct dentry *dentry = fhp->fh_dentry; - struct kstat stat; struct timespec time; - vfs_getattr(mnt, dentry, &stat); - - *p++ = htonl(nfs3_ftypes[(stat.mode & S_IFMT) >> 12]); - *p++ = htonl((u32) stat.mode); - *p++ = htonl((u32) stat.nlink); - *p++ = htonl((u32) nfsd_ruid(rqstp, stat.uid)); - *p++ = htonl((u32) nfsd_rgid(rqstp, stat.gid)); - if (S_ISLNK(stat.mode) && stat.size > NFS3_MAXPATHLEN) { + *p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]); + *p++ = htonl((u32) stat->mode); + *p++ = htonl((u32) stat->nlink); + *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid)); + *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid)); + if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) { p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN); } else { - p = xdr_encode_hyper(p, (u64) stat.size); + p = xdr_encode_hyper(p, (u64) stat->size); } - p = xdr_encode_hyper(p, ((u64)stat.blocks) << 9); - *p++ = htonl((u32) MAJOR(stat.rdev)); - *p++ = htonl((u32) MINOR(stat.rdev)); + p = xdr_encode_hyper(p, ((u64)stat->blocks) << 9); + *p++ = htonl((u32) MAJOR(stat->rdev)); + *p++ = htonl((u32) MINOR(stat->rdev)); if (is_fsid(fhp, rqstp->rq_reffh)) p = xdr_encode_hyper(p, (u64) fhp->fh_export->ex_fsid); else - p = xdr_encode_hyper(p, (u64) huge_encode_dev(stat.dev)); - p = xdr_encode_hyper(p, (u64) stat.ino); - p = encode_time3(p, &stat.atime); + p = xdr_encode_hyper(p, (u64) huge_encode_dev(stat->dev)); + p = xdr_encode_hyper(p, (u64) stat->ino); + p = encode_time3(p, &stat->atime); lease_get_mtime(dentry->d_inode, &time); p = encode_time3(p, &time); - p = encode_time3(p, &stat.ctime); + p = encode_time3(p, &stat->ctime); return p; } @@ -232,8 +229,14 @@ encode_post_op_attr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp) { struct dentry *dentry = fhp->fh_dentry; if (dentry && dentry->d_inode != NULL) { - *p++ = xdr_one; /* attributes follow */ - return encode_fattr3(rqstp, p, fhp); + int err; + struct kstat stat; + + err = vfs_getattr(fhp->fh_export->ex_mnt, dentry, &stat); + if (!err) { + *p++ = xdr_one; /* attributes follow */ + return encode_fattr3(rqstp, p, fhp, &stat); + } } *p++ = xdr_zero; return p; @@ -616,7 +619,7 @@ nfs3svc_encode_attrstat(struct svc_rqst *rqstp, u32 *p, struct nfsd3_attrstat *resp) { if (resp->status == 0) - p = encode_fattr3(rqstp, p, &resp->fh); + p = encode_fattr3(rqstp, p, &resp->fh, &resp->stat); return xdr_ressize_check(rqstp, p); } diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index 583c071..d828662 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -53,7 +53,7 @@ #define NFSPROC4_CB_COMPOUND 1 /* declarations */ -static void nfs4_cb_null(struct rpc_task *task); +static const struct rpc_call_ops nfs4_cb_null_ops; /* Index of predefined Linux callback client operations */ @@ -431,7 +431,6 @@ nfsd4_probe_callback(struct nfs4_client *clp) } clnt->cl_intr = 0; clnt->cl_softrtry = 1; - clnt->cl_chatty = 1; /* Kick rpciod, put the call on the wire. */ @@ -447,7 +446,7 @@ nfsd4_probe_callback(struct nfs4_client *clp) msg.rpc_cred = nfsd4_lookupcred(clp,0); if (IS_ERR(msg.rpc_cred)) goto out_rpciod; - status = rpc_call_async(clnt, &msg, RPC_TASK_ASYNC, nfs4_cb_null, NULL); + status = rpc_call_async(clnt, &msg, RPC_TASK_ASYNC, &nfs4_cb_null_ops, NULL); put_rpccred(msg.rpc_cred); if (status != 0) { @@ -469,7 +468,7 @@ out_err: } static void -nfs4_cb_null(struct rpc_task *task) +nfs4_cb_null(struct rpc_task *task, void *dummy) { struct nfs4_client *clp = (struct nfs4_client *)task->tk_msg.rpc_argp; struct nfs4_callback *cb = &clp->cl_callback; @@ -488,6 +487,10 @@ out: put_nfs4_client(clp); } +static const struct rpc_call_ops nfs4_cb_null_ops = { + .rpc_call_done = nfs4_cb_null, +}; + /* * called with dp->dl_count inc'ed. * nfs4_lock_state() may or may not have been called. diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c index b45999f..aa7bb41 100644 --- a/fs/nfsd/nfsxdr.c +++ b/fs/nfsd/nfsxdr.c @@ -152,46 +152,44 @@ decode_sattr(u32 *p, struct iattr *iap) } static inline u32 * -encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp) +encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp, + struct kstat *stat) { - struct vfsmount *mnt = fhp->fh_export->ex_mnt; struct dentry *dentry = fhp->fh_dentry; - struct kstat stat; int type; struct timespec time; - vfs_getattr(mnt, dentry, &stat); - type = (stat.mode & S_IFMT); + type = (stat->mode & S_IFMT); *p++ = htonl(nfs_ftypes[type >> 12]); - *p++ = htonl((u32) stat.mode); - *p++ = htonl((u32) stat.nlink); - *p++ = htonl((u32) nfsd_ruid(rqstp, stat.uid)); - *p++ = htonl((u32) nfsd_rgid(rqstp, stat.gid)); + *p++ = htonl((u32) stat->mode); + *p++ = htonl((u32) stat->nlink); + *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid)); + *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid)); - if (S_ISLNK(type) && stat.size > NFS_MAXPATHLEN) { + if (S_ISLNK(type) && stat->size > NFS_MAXPATHLEN) { *p++ = htonl(NFS_MAXPATHLEN); } else { - *p++ = htonl((u32) stat.size); + *p++ = htonl((u32) stat->size); } - *p++ = htonl((u32) stat.blksize); + *p++ = htonl((u32) stat->blksize); if (S_ISCHR(type) || S_ISBLK(type)) - *p++ = htonl(new_encode_dev(stat.rdev)); + *p++ = htonl(new_encode_dev(stat->rdev)); else *p++ = htonl(0xffffffff); - *p++ = htonl((u32) stat.blocks); + *p++ = htonl((u32) stat->blocks); if (is_fsid(fhp, rqstp->rq_reffh)) *p++ = htonl((u32) fhp->fh_export->ex_fsid); else - *p++ = htonl(new_encode_dev(stat.dev)); - *p++ = htonl((u32) stat.ino); - *p++ = htonl((u32) stat.atime.tv_sec); - *p++ = htonl(stat.atime.tv_nsec ? stat.atime.tv_nsec / 1000 : 0); + *p++ = htonl(new_encode_dev(stat->dev)); + *p++ = htonl((u32) stat->ino); + *p++ = htonl((u32) stat->atime.tv_sec); + *p++ = htonl(stat->atime.tv_nsec ? stat->atime.tv_nsec / 1000 : 0); lease_get_mtime(dentry->d_inode, &time); *p++ = htonl((u32) time.tv_sec); *p++ = htonl(time.tv_nsec ? time.tv_nsec / 1000 : 0); - *p++ = htonl((u32) stat.ctime.tv_sec); - *p++ = htonl(stat.ctime.tv_nsec ? stat.ctime.tv_nsec / 1000 : 0); + *p++ = htonl((u32) stat->ctime.tv_sec); + *p++ = htonl(stat->ctime.tv_nsec ? stat->ctime.tv_nsec / 1000 : 0); return p; } @@ -199,7 +197,9 @@ encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp) /* Helper function for NFSv2 ACL code */ u32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp) { - return encode_fattr(rqstp, p, fhp); + struct kstat stat; + vfs_getattr(fhp->fh_export->ex_mnt, fhp->fh_dentry, &stat); + return encode_fattr(rqstp, p, fhp, &stat); } /* @@ -394,7 +394,7 @@ int nfssvc_encode_attrstat(struct svc_rqst *rqstp, u32 *p, struct nfsd_attrstat *resp) { - p = encode_fattr(rqstp, p, &resp->fh); + p = encode_fattr(rqstp, p, &resp->fh, &resp->stat); return xdr_ressize_check(rqstp, p); } @@ -403,7 +403,7 @@ nfssvc_encode_diropres(struct svc_rqst *rqstp, u32 *p, struct nfsd_diropres *resp) { p = encode_fh(p, &resp->fh); - p = encode_fattr(rqstp, p, &resp->fh); + p = encode_fattr(rqstp, p, &resp->fh, &resp->stat); return xdr_ressize_check(rqstp, p); } @@ -428,7 +428,7 @@ int nfssvc_encode_readres(struct svc_rqst *rqstp, u32 *p, struct nfsd_readres *resp) { - p = encode_fattr(rqstp, p, &resp->fh); + p = encode_fattr(rqstp, p, &resp->fh, &resp->stat); *p++ = htonl(resp->count); xdr_ressize_check(rqstp, p); diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index af7c3c3..df4019f 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -717,27 +717,33 @@ nfsd_close(struct file *filp) * As this calls fsync (not fdatasync) there is no need for a write_inode * after it. */ -static inline void nfsd_dosync(struct file *filp, struct dentry *dp, - struct file_operations *fop) +static inline int nfsd_dosync(struct file *filp, struct dentry *dp, + struct file_operations *fop) { struct inode *inode = dp->d_inode; int (*fsync) (struct file *, struct dentry *, int); + int err = nfs_ok; filemap_fdatawrite(inode->i_mapping); if (fop && (fsync = fop->fsync)) - fsync(filp, dp, 0); + err=fsync(filp, dp, 0); filemap_fdatawait(inode->i_mapping); + + return nfserrno(err); } -static void +static int nfsd_sync(struct file *filp) { + int err; struct inode *inode = filp->f_dentry->d_inode; dprintk("nfsd: sync file %s\n", filp->f_dentry->d_name.name); down(&inode->i_sem); - nfsd_dosync(filp, filp->f_dentry, filp->f_op); + err=nfsd_dosync(filp, filp->f_dentry, filp->f_op); up(&inode->i_sem); + + return err; } void @@ -874,6 +880,16 @@ out: return err; } +static void kill_suid(struct dentry *dentry) +{ + struct iattr ia; + ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID; + + down(&dentry->d_inode->i_sem); + notify_change(dentry, &ia); + up(&dentry->d_inode->i_sem); +} + static inline int nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, loff_t offset, struct kvec *vec, int vlen, @@ -927,14 +943,8 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, } /* clear setuid/setgid flag after write */ - if (err >= 0 && (inode->i_mode & (S_ISUID | S_ISGID))) { - struct iattr ia; - ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID; - - down(&inode->i_sem); - notify_change(dentry, &ia); - up(&inode->i_sem); - } + if (err >= 0 && (inode->i_mode & (S_ISUID | S_ISGID))) + kill_suid(dentry); if (err >= 0 && stable) { static ino_t last_ino; @@ -962,7 +972,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, if (inode->i_state & I_DIRTY) { dprintk("nfsd: write sync %d\n", current->pid); - nfsd_sync(file); + err=nfsd_sync(file); } #if 0 wake_up(&inode->i_wait); @@ -1066,7 +1076,7 @@ nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp, return err; if (EX_ISSYNC(fhp->fh_export)) { if (file->f_op && file->f_op->fsync) { - nfsd_sync(file); + err = nfsd_sync(file); } else { err = nfserr_notsupp; } |
