diff options
Diffstat (limited to 'fs/nfsd')
-rw-r--r-- | fs/nfsd/export.c | 33 | ||||
-rw-r--r-- | fs/nfsd/lockd.c | 2 | ||||
-rw-r--r-- | fs/nfsd/nfs2acl.c | 8 | ||||
-rw-r--r-- | fs/nfsd/nfs3acl.c | 8 | ||||
-rw-r--r-- | fs/nfsd/nfs3xdr.c | 24 | ||||
-rw-r--r-- | fs/nfsd/nfs4proc.c | 625 | ||||
-rw-r--r-- | fs/nfsd/nfs4recover.c | 2 | ||||
-rw-r--r-- | fs/nfsd/nfs4state.c | 116 | ||||
-rw-r--r-- | fs/nfsd/nfs4xdr.c | 14 | ||||
-rw-r--r-- | fs/nfsd/nfscache.c | 3 | ||||
-rw-r--r-- | fs/nfsd/nfsctl.c | 2 | ||||
-rw-r--r-- | fs/nfsd/nfsfh.c | 6 | ||||
-rw-r--r-- | fs/nfsd/nfsxdr.c | 13 | ||||
-rw-r--r-- | fs/nfsd/vfs.c | 55 |
14 files changed, 496 insertions, 415 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index f37df46d2ea..248dd92e6a5 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -787,15 +787,20 @@ exp_get_by_name(svc_client *clp, struct vfsmount *mnt, struct dentry *dentry, key.ex_dentry = dentry; exp = svc_export_lookup(&key); - if (exp != NULL) - switch (cache_check(&svc_export_cache, &exp->h, reqp)) { + if (exp != NULL) { + int err; + + err = cache_check(&svc_export_cache, &exp->h, reqp); + switch (err) { case 0: break; case -EAGAIN: - exp = ERR_PTR(-EAGAIN); + case -ETIMEDOUT: + exp = ERR_PTR(err); break; default: exp = NULL; } + } return exp; } @@ -950,6 +955,8 @@ exp_export(struct nfsctl_export *nxp) exp = exp_get_by_name(clp, nd.mnt, nd.dentry, NULL); + memset(&new, 0, sizeof(new)); + /* must make sure there won't be an ex_fsid clash */ if ((nxp->ex_flags & NFSEXP_FSID) && (fsid_key = exp_get_fsid_key(clp, nxp->ex_dev)) && @@ -980,6 +987,9 @@ exp_export(struct nfsctl_export *nxp) new.h.expiry_time = NEVER; new.h.flags = 0; + new.ex_path = kstrdup(nxp->ex_path, GFP_KERNEL); + if (!new.ex_path) + goto finish; new.ex_client = clp; new.ex_mnt = nd.mnt; new.ex_dentry = nd.dentry; @@ -1000,10 +1010,11 @@ exp_export(struct nfsctl_export *nxp) /* failed to create at least one index */ exp_do_unexport(exp); cache_flush(); - err = -ENOMEM; - } - + } else + err = 0; finish: + if (new.ex_path) + kfree(new.ex_path); if (exp) exp_put(exp); if (fsid_key && !IS_ERR(fsid_key)) @@ -1104,6 +1115,10 @@ exp_rootfh(svc_client *clp, char *path, struct knfsd_fh *f, int maxsize) path, nd.dentry, clp->name, inode->i_sb->s_id, inode->i_ino); exp = exp_parent(clp, nd.mnt, nd.dentry, NULL); + if (IS_ERR(exp)) { + err = PTR_ERR(exp); + goto out; + } if (!exp) { dprintk("nfsd: exp_rootfh export not found.\n"); goto out; @@ -1159,12 +1174,10 @@ exp_pseudoroot(struct auth_domain *clp, struct svc_fh *fhp, mk_fsid_v1(fsidv, 0); exp = exp_find(clp, 1, fsidv, creq); - if (IS_ERR(exp) && PTR_ERR(exp) == -EAGAIN) - return nfserr_dropit; + if (IS_ERR(exp)) + return nfserrno(PTR_ERR(exp)); if (exp == NULL) return nfserr_perm; - else if (IS_ERR(exp)) - return nfserrno(PTR_ERR(exp)); rv = fh_compose(fhp, exp, exp->ex_dentry, NULL); exp_put(exp); return rv; diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c index 11fdaf7721b..221acd1f11f 100644 --- a/fs/nfsd/lockd.c +++ b/fs/nfsd/lockd.c @@ -22,7 +22,7 @@ /* * Note: we hold the dentry use count while the file is open. */ -static u32 +static __be32 nlm_fopen(struct svc_rqst *rqstp, struct nfs_fh *f, struct file **filp) { __be32 nfserr; diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c index e3eca081698..edde5dc5f79 100644 --- a/fs/nfsd/nfs2acl.c +++ b/fs/nfsd/nfs2acl.c @@ -222,12 +222,10 @@ static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p, { struct dentry *dentry = resp->fh.fh_dentry; struct inode *inode = dentry->d_inode; - int w = nfsacl_size( - (resp->mask & NFS_ACL) ? resp->acl_access : NULL, - (resp->mask & NFS_DFACL) ? resp->acl_default : NULL); struct kvec *head = rqstp->rq_res.head; unsigned int base; int n; + int w; if (dentry == NULL || dentry->d_inode == NULL) return 0; @@ -239,7 +237,9 @@ static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p, return 0; base = (char *)p - (char *)head->iov_base; - rqstp->rq_res.page_len = w; + rqstp->rq_res.page_len = w = nfsacl_size( + (resp->mask & NFS_ACL) ? resp->acl_access : NULL, + (resp->mask & NFS_DFACL) ? resp->acl_default : NULL); while (w > 0) { if (!rqstp->rq_respages[rqstp->rq_resused++]) return 0; diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c index fcad2895ddb..3e3f2de82c3 100644 --- a/fs/nfsd/nfs3acl.c +++ b/fs/nfsd/nfs3acl.c @@ -171,19 +171,19 @@ static int nfs3svc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p, p = nfs3svc_encode_post_op_attr(rqstp, p, &resp->fh); if (resp->status == 0 && dentry && dentry->d_inode) { struct inode *inode = dentry->d_inode; - int w = nfsacl_size( - (resp->mask & NFS_ACL) ? resp->acl_access : NULL, - (resp->mask & NFS_DFACL) ? resp->acl_default : NULL); struct kvec *head = rqstp->rq_res.head; unsigned int base; int n; + int w; *p++ = htonl(resp->mask); if (!xdr_ressize_check(rqstp, p)) return 0; base = (char *)p - (char *)head->iov_base; - rqstp->rq_res.page_len = w; + rqstp->rq_res.page_len = w = nfsacl_size( + (resp->mask & NFS_ACL) ? resp->acl_access : NULL, + (resp->mask & NFS_DFACL) ? resp->acl_default : NULL); while (w > 0) { if (!rqstp->rq_respages[rqstp->rq_resused++]) return 0; diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c index b4baca3053c..277df40f098 100644 --- a/fs/nfsd/nfs3xdr.c +++ b/fs/nfsd/nfs3xdr.c @@ -24,10 +24,6 @@ #define NFSDDBG_FACILITY NFSDDBG_XDR -#ifdef NFSD_OPTIMIZE_SPACE -# define inline -#endif - /* * Mapping of S_IF* types to NFS file types @@ -42,14 +38,14 @@ static u32 nfs3_ftypes[] = { /* * XDR functions for basic NFS types */ -static inline __be32 * +static __be32 * encode_time3(__be32 *p, struct timespec *time) { *p++ = htonl((u32) time->tv_sec); *p++ = htonl(time->tv_nsec); return p; } -static inline __be32 * +static __be32 * decode_time3(__be32 *p, struct timespec *time) { time->tv_sec = ntohl(*p++); @@ -57,7 +53,7 @@ decode_time3(__be32 *p, struct timespec *time) return p; } -static inline __be32 * +static __be32 * decode_fh(__be32 *p, struct svc_fh *fhp) { unsigned int size; @@ -77,7 +73,7 @@ __be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp) return decode_fh(p, fhp); } -static inline __be32 * +static __be32 * encode_fh(__be32 *p, struct svc_fh *fhp) { unsigned int size = fhp->fh_handle.fh_size; @@ -91,7 +87,7 @@ encode_fh(__be32 *p, struct svc_fh *fhp) * Decode a file name and make sure that the path contains * no slashes or null bytes. */ -static inline __be32 * +static __be32 * decode_filename(__be32 *p, char **namp, int *lenp) { char *name; @@ -107,7 +103,7 @@ decode_filename(__be32 *p, char **namp, int *lenp) return p; } -static inline __be32 * +static __be32 * decode_sattr3(__be32 *p, struct iattr *iap) { u32 tmp; @@ -153,7 +149,7 @@ decode_sattr3(__be32 *p, struct iattr *iap) return p; } -static inline __be32 * +static __be32 * encode_fattr3(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp, struct kstat *stat) { @@ -186,7 +182,7 @@ encode_fattr3(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp, return p; } -static inline __be32 * +static __be32 * encode_saved_post_attr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp) { struct inode *inode = fhp->fh_dentry->d_inode; @@ -776,7 +772,7 @@ nfs3svc_encode_readdirres(struct svc_rqst *rqstp, __be32 *p, return xdr_ressize_check(rqstp, p); } -static inline __be32 * +static __be32 * encode_entry_baggage(struct nfsd3_readdirres *cd, __be32 *p, const char *name, int namlen, ino_t ino) { @@ -790,7 +786,7 @@ encode_entry_baggage(struct nfsd3_readdirres *cd, __be32 *p, const char *name, return p; } -static inline __be32 * +static __be32 * encode_entryplus_baggage(struct nfsd3_readdirres *cd, __be32 *p, struct svc_fh *fhp) { diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 50bc94243ca..8522729830d 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -33,13 +33,6 @@ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Note: some routines in this file are just trivial wrappers - * (e.g. nfsd4_lookup()) defined solely for the sake of consistent - * naming. Since all such routines have been declared "inline", - * there shouldn't be any associated overhead. At some point in - * the future, I might inline these "by hand" to clean up a - * little. */ #include <linux/param.h> @@ -161,8 +154,9 @@ do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_ } -static inline __be32 -nfsd4_open(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open, struct nfs4_stateowner **replay_owner) +static __be32 +nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_open *open) { __be32 status; dprintk("NFSD: nfsd4_open filename %.*s op_stateowner %p\n", @@ -179,11 +173,11 @@ nfsd4_open(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open status = nfsd4_process_open1(open); if (status == nfserr_replay_me) { struct nfs4_replay *rp = &open->op_stateowner->so_replay; - fh_put(current_fh); - current_fh->fh_handle.fh_size = rp->rp_openfh_len; - memcpy(¤t_fh->fh_handle.fh_base, rp->rp_openfh, + fh_put(&cstate->current_fh); + cstate->current_fh.fh_handle.fh_size = rp->rp_openfh_len; + memcpy(&cstate->current_fh.fh_handle.fh_base, rp->rp_openfh, rp->rp_openfh_len); - status = fh_verify(rqstp, current_fh, 0, MAY_NOP); + status = fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); if (status) dprintk("nfsd4_open: replay failed" " restoring previous filehandle\n"); @@ -215,7 +209,8 @@ nfsd4_open(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open * (3) set open->op_truncate if the file is to be * truncated after opening, (4) do permission checking. */ - status = do_open_lookup(rqstp, current_fh, open); + status = do_open_lookup(rqstp, &cstate->current_fh, + open); if (status) goto out; break; @@ -227,7 +222,8 @@ nfsd4_open(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open * open->op_truncate if the file is to be truncated * after opening, (3) do permission checking. */ - status = do_open_fhandle(rqstp, current_fh, open); + status = do_open_fhandle(rqstp, &cstate->current_fh, + open); if (status) goto out; break; @@ -248,11 +244,11 @@ nfsd4_open(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open * successful, it (1) truncates the file if open->op_truncate was * set, (2) sets open->op_stateid, (3) sets open->op_delegation. */ - status = nfsd4_process_open2(rqstp, current_fh, open); + status = nfsd4_process_open2(rqstp, &cstate->current_fh, open); out: if (open->op_stateowner) { nfs4_get_stateowner(open->op_stateowner); - *replay_owner = open->op_stateowner; + cstate->replay_owner = open->op_stateowner; } nfs4_unlock_state(); return status; @@ -261,71 +257,80 @@ out: /* * filehandle-manipulating ops. */ -static inline __be32 -nfsd4_getfh(struct svc_fh *current_fh, struct svc_fh **getfh) +static __be32 +nfsd4_getfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct svc_fh **getfh) { - if (!current_fh->fh_dentry) + if (!cstate->current_fh.fh_dentry) return nfserr_nofilehandle; - *getfh = current_fh; + *getfh = &cstate->current_fh; return nfs_ok; } -static inline __be32 -nfsd4_putfh(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_putfh *putfh) +static __be32 +nfsd4_putfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_putfh *putfh) { - fh_put(current_fh); - current_fh->fh_handle.fh_size = putfh->pf_fhlen; - memcpy(¤t_fh->fh_handle.fh_base, putfh->pf_fhval, putfh->pf_fhlen); - return fh_verify(rqstp, current_fh, 0, MAY_NOP); + fh_put(&cstate->current_fh); + cstate->current_fh.fh_handle.fh_size = putfh->pf_fhlen; + memcpy(&cstate->current_fh.fh_handle.fh_base, putfh->pf_fhval, + putfh->pf_fhlen); + return fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); } -static inline __be32 -nfsd4_putrootfh(struct svc_rqst *rqstp, struct svc_fh *current_fh) +static __be32 +nfsd4_putrootfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + void *arg) { __be32 status; - fh_put(current_fh); - status = exp_pseudoroot(rqstp->rq_client, current_fh, + fh_put(&cstate->current_fh); + status = exp_pseudoroot(rqstp->rq_client, &cstate->current_fh, &rqstp->rq_chandle); return status; } -static inline __be32 -nfsd4_restorefh(struct svc_fh *current_fh, struct svc_fh *save_fh) +static __be32 +nfsd4_restorefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + void *arg) { - if (!save_fh->fh_dentry) + if (!cstate->save_fh.fh_dentry) return nfserr_restorefh; - fh_dup2(current_fh, save_fh); + fh_dup2(&cstate->current_fh, &cstate->save_fh); return nfs_ok; } -static inline __be32 -nfsd4_savefh(struct svc_fh *current_fh, struct svc_fh *save_fh) +static __be32 +nfsd4_savefh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + void *arg) { - if (!current_fh->fh_dentry) + if (!cstate->current_fh.fh_dentry) return nfserr_nofilehandle; - fh_dup2(save_fh, current_fh); + fh_dup2(&cstate->save_fh, &cstate->current_fh); return nfs_ok; } /* * misc nfsv4 ops */ -static inline __be32 -nfsd4_access(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_access *access) +static __be32 +nfsd4_access(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_access *access) { if (access->ac_req_access & ~NFS3_ACCESS_FULL) return nfserr_inval; access->ac_resp_access = access->ac_req_access; - return nfsd_access(rqstp, current_fh, &access->ac_resp_access, &access->ac_supported); + return nfsd_access(rqstp, &cstate->current_fh, &access->ac_resp_access, + &access->ac_supported); } -static inline __be32 -nfsd4_commit(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_commit *commit) +static __be32 +nfsd4_commit(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_commit *commit) { __be32 status; @@ -333,14 +338,16 @@ nfsd4_commit(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_com *p++ = nfssvc_boot.tv_sec; *p++ = nfssvc_boot.tv_usec; - status = nfsd_commit(rqstp, current_fh, commit->co_offset, commit->co_count); + status = nfsd_commit(rqstp, &cstate->current_fh, commit->co_offset, + commit->co_count); if (status == nfserr_symlink) status = nfserr_inval; return status; } static __be32 -nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_create *create) +nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_create *create) { struct svc_fh resfh; __be32 status; @@ -348,7 +355,7 @@ nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_cre fh_init(&resfh, NFS4_FHSIZE); - status = fh_verify(rqstp, current_fh, S_IFDIR, MAY_CREATE); + status = fh_verify(rqstp, &cstate->current_fh, S_IFDIR, MAY_CREATE); if (status == nfserr_symlink) status = nfserr_notdir; if (status) @@ -365,9 +372,10 @@ nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_cre */ create->cr_linkname[create->cr_linklen] = 0; - status = nfsd_symlink(rqstp, current_fh, create->cr_name, - create->cr_namelen, create->cr_linkname, - create->cr_linklen, &resfh, &create->cr_iattr); + status = nfsd_symlink(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + create->cr_linkname, create->cr_linklen, + &resfh, &create->cr_iattr); break; case NF4BLK: @@ -375,9 +383,9 @@ nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_cre if (MAJOR(rdev) != create->cr_specdata1 || MINOR(rdev) != create->cr_specdata2) return nfserr_inval; - status = nfsd_create(rqstp, current_fh, create->cr_name, - create->cr_namelen, &create->cr_iattr, - S_IFBLK, rdev, &resfh); + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr, S_IFBLK, rdev, &resfh); break; case NF4CHR: @@ -385,28 +393,28 @@ nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_cre if (MAJOR(rdev) != create->cr_specdata1 || MINOR(rdev) != create->cr_specdata2) return nfserr_inval; - status = nfsd_create(rqstp, current_fh, create->cr_name, - create->cr_namelen, &create->cr_iattr, - S_IFCHR, rdev, &resfh); + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr,S_IFCHR, rdev, &resfh); break; case NF4SOCK: - status = nfsd_create(rqstp, current_fh, create->cr_name, - create->cr_namelen, &create->cr_iattr, - S_IFSOCK, 0, &resfh); + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr, S_IFSOCK, 0, &resfh); break; case NF4FIFO: - status = nfsd_create(rqstp, current_fh, create->cr_name, - create->cr_namelen, &create->cr_iattr, - S_IFIFO, 0, &resfh); + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr, S_IFIFO, 0, &resfh); break; case NF4DIR: create->cr_iattr.ia_valid &= ~ATTR_SIZE; - status = nfsd_create(rqstp, current_fh, create->cr_name, - create->cr_namelen, &create->cr_iattr, - S_IFDIR, 0, &resfh); + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr, S_IFDIR, 0, &resfh); break; default: @@ -414,21 +422,22 @@ nfsd4_create(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_cre } if (!status) { - fh_unlock(current_fh); - set_change_info(&create->cr_cinfo, current_fh); - fh_dup2(current_fh, &resfh); + fh_unlock(&cstate->current_fh); + set_change_info(&create->cr_cinfo, &cstate->current_fh); + fh_dup2(&cstate->current_fh, &resfh); } fh_put(&resfh); return status; } -static inline __be32 -nfsd4_getattr(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_getattr *getattr) +static __be32 +nfsd4_getattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_getattr *getattr) { __be32 status; - status = fh_verify(rqstp, current_fh, 0, MAY_NOP); + status = fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); if (status) return status; @@ -438,26 +447,28 @@ nfsd4_getattr(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_ge getattr->ga_bmval[0] &= NFSD_SUPPORTED_ATTRS_WORD0; getattr->ga_bmval[1] &= NFSD_SUPPORTED_ATTRS_WORD1; - getattr->ga_fhp = current_fh; + getattr->ga_fhp = &cstate->current_fh; return nfs_ok; } -static inline __be32 -nfsd4_link(struct svc_rqst *rqstp, struct svc_fh *current_fh, - struct svc_fh *save_fh, struct nfsd4_link *link) +static __be32 +nfsd4_link(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_link *link) { __be32 status = nfserr_nofilehandle; - if (!save_fh->fh_dentry) + if (!cstate->save_fh.fh_dentry) return status; - status = nfsd_link(rqstp, current_fh, link->li_name, link->li_namelen, save_fh); + status = nfsd_link(rqstp, &cstate->current_fh, + link->li_name, link->li_namelen, &cstate->save_fh); if (!status) - set_change_info(&link->li_cinfo, current_fh); + set_change_info(&link->li_cinfo, &cstate->current_fh); return status; } static __be32 -nfsd4_lookupp(struct svc_rqst *rqstp, struct svc_fh *current_fh) +nfsd4_lookupp(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + void *arg) { struct svc_fh tmp_fh; __be32 ret; @@ -466,22 +477,27 @@ nfsd4_lookupp(struct svc_rqst *rqstp, struct svc_fh *current_fh) if((ret = exp_pseudoroot(rqstp->rq_client, &tmp_fh, &rqstp->rq_chandle)) != 0) return ret; - if (tmp_fh.fh_dentry == current_fh->fh_dentry) { + if (tmp_fh.fh_dentry == cstate->current_fh.fh_dentry) { fh_put(&tmp_fh); return nfserr_noent; } fh_put(&tmp_fh); - return nfsd_lookup(rqstp, current_fh, "..", 2, current_fh); + return nfsd_lookup(rqstp, &cstate->current_fh, + "..", 2, &cstate->current_fh); } -static inline __be32 -nfsd4_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lookup *lookup) +static __be32 +nfsd4_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_lookup *lookup) { - return nfsd_lookup(rqstp, current_fh, lookup->lo_name, lookup->lo_len, current_fh); + return nfsd_lookup(rqstp, &cstate->current_fh, + lookup->lo_name, lookup->lo_len, + &cstate->current_fh); } -static inline __be32 -nfsd4_read(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_read *read) +static __be32 +nfsd4_read(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_read *read) { __be32 status; @@ -493,7 +509,8 @@ nfsd4_read(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_read nfs4_lock_state(); /* check stateid */ - if ((status = nfs4_preprocess_stateid_op(current_fh, &read->rd_stateid, + if ((status = nfs4_preprocess_stateid_op(&cstate->current_fh, + &read->rd_stateid, CHECK_FH | RD_STATE, &read->rd_filp))) { dprintk("NFSD: nfsd4_read: couldn't process stateid!\n"); goto out; @@ -504,12 +521,13 @@ nfsd4_read(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_read out: nfs4_unlock_state(); read->rd_rqstp = rqstp; - read->rd_fhp = current_fh; + read->rd_fhp = &cstate->current_fh; return status; } -static inline __be32 -nfsd4_readdir(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_readdir *readdir) +static __be32 +nfsd4_readdir(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_readdir *readdir) { u64 cookie = readdir->rd_cookie; static const nfs4_verifier zeroverf; @@ -527,48 +545,51 @@ nfsd4_readdir(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_re return nfserr_bad_cookie; readdir->rd_rqstp = rqstp; - readdir->rd_fhp = current_fh; + readdir->rd_fhp = &cstate->current_fh; return nfs_ok; } -static inline __be32 -nfsd4_readlink(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_readlink *readlink) +static __be32 +nfsd4_readlink(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_readlink *readlink) { readlink->rl_rqstp = rqstp; - readlink->rl_fhp = current_fh; + readlink->rl_fhp = &cstate->current_fh; return nfs_ok; } -static inline __be32 -nfsd4_remove(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_remove *remove) +static __be32 +nfsd4_remove(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_remove *remove) { __be32 status; if (nfs4_in_grace()) return nfserr_grace; - status = nfsd_unlink(rqstp, current_fh, 0, remove->rm_name, remove->rm_namelen); + status = nfsd_unlink(rqstp, &cstate->current_fh, 0, + remove->rm_name, remove->rm_namelen); if (status == nfserr_symlink) return nfserr_notdir; if (!status) { - fh_unlock(current_fh); - set_change_info(&remove->rm_cinfo, current_fh); + fh_unlock(&cstate->current_fh); + set_change_info(&remove->rm_cinfo, &cstate->current_fh); } return status; } -static inline __be32 -nfsd4_rename(struct svc_rqst *rqstp, struct svc_fh *current_fh, - struct svc_fh *save_fh, struct nfsd4_rename *rename) +static __be32 +nfsd4_rename(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_rename *rename) { __be32 status = nfserr_nofilehandle; - if (!save_fh->fh_dentry) + if (!cstate->save_fh.fh_dentry) return status; - if (nfs4_in_grace() && !(save_fh->fh_export->ex_flags + if (nfs4_in_grace() && !(cstate->save_fh.fh_export->ex_flags & NFSEXP_NOSUBTREECHECK)) return nfserr_grace; - status = nfsd_rename(rqstp, save_fh, rename->rn_sname, - rename->rn_snamelen, current_fh, + status = nfsd_rename(rqstp, &cstate->save_fh, rename->rn_sname, + rename->rn_snamelen, &cstate->current_fh, rename->rn_tname, rename->rn_tnamelen); /* the underlying filesystem returns different error's than required @@ -576,27 +597,28 @@ nfsd4_rename(struct svc_rqst *rqstp, struct svc_fh *current_fh, if (status == nfserr_isdir) status = nfserr_exist; else if ((status == nfserr_notdir) && - (S_ISDIR(save_fh->fh_dentry->d_inode->i_mode) && - S_ISDIR(current_fh->fh_dentry->d_inode->i_mode))) + (S_ISDIR(cstate->save_fh.fh_dentry->d_inode->i_mode) && + S_ISDIR(cstate->current_fh.fh_dentry->d_inode->i_mode))) status = nfserr_exist; else if (status == nfserr_symlink) status = nfserr_notdir; if (!status) { - set_change_info(&rename->rn_sinfo, current_fh); - set_change_info(&rename->rn_tinfo, save_fh); + set_change_info(&rename->rn_sinfo, &cstate->current_fh); + set_change_info(&rename->rn_tinfo, &cstate->save_fh); } return status; } -static inline __be32 -nfsd4_setattr(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_setattr *setattr) +static __be32 +nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_setattr *setattr) { __be32 status = nfs_ok; if (setattr->sa_iattr.ia_valid & ATTR_SIZE) { nfs4_lock_state(); - status = nfs4_preprocess_stateid_op(current_fh, + status = nfs4_preprocess_stateid_op(&cstate->current_fh, &setattr->sa_stateid, CHECK_FH | WR_STATE, NULL); nfs4_unlock_state(); if (status) { @@ -606,16 +628,18 @@ nfsd4_setattr(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_se } status = nfs_ok; if (setattr->sa_acl != NULL) - status = nfsd4_set_nfs4_acl(rqstp, current_fh, setattr->sa_acl); + status = nfsd4_set_nfs4_acl(rqstp, &cstate->current_fh, + setattr->sa_acl); if (status) return status; - status = nfsd_setattr(rqstp, current_fh, &setattr->sa_iattr, + status = nfsd_setattr(rqstp, &cstate->current_fh, &setattr->sa_iattr, 0, (time_t)0); return status; } -static inline __be32 -nfsd4_write(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_write *write) +static __be32 +nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_write *write) { stateid_t *stateid = &write->wr_stateid; struct file *filp = NULL; @@ -628,7 +652,7 @@ nfsd4_write(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_writ return nfserr_inval; nfs4_lock_state(); - status = nfs4_preprocess_stateid_op(current_fh, stateid, + status = nfs4_preprocess_stateid_op(&cstate->current_fh, stateid, CHECK_FH | WR_STATE, &filp); if (filp) get_file(filp); @@ -645,9 +669,9 @@ nfsd4_write(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_writ *p++ = nfssvc_boot.tv_sec; *p++ = nfssvc_boot.tv_usec; - status = nfsd_write(rqstp, current_fh, filp, write->wr_offset, - rqstp->rq_vec, write->wr_vlen, write->wr_buflen, - &write->wr_how_written); + status = nfsd_write(rqstp, &cstate->current_fh, filp, + write->wr_offset, rqstp->rq_vec, write->wr_vlen, + write->wr_buflen, &write->wr_how_written); if (filp) fput(filp); @@ -662,13 +686,14 @@ nfsd4_write(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_writ * to NFS_OK after the call; NVERIFY by mapping NFSERR_NOT_SAME to NFS_OK. */ static __be32 -nfsd4_verify(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_verify *verify) +_nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_verify *verify) { __be32 *buf, *p; int count; __be32 status; - status = fh_verify(rqstp, current_fh, 0, MAY_NOP); + status = fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); if (status) return status; @@ -689,8 +714,9 @@ nfsd4_verify(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_ver if (!buf) return nfserr_resource; - status = nfsd4_encode_fattr(current_fh, current_fh->fh_export, - current_fh->fh_dentry, buf, + status = nfsd4_encode_fattr(&cstate->current_fh, + cstate->current_fh.fh_export, + cstate->current_fh.fh_dentry, buf, &count, verify->ve_bmval, rqstp); @@ -712,6 +738,26 @@ out_kfree: return status; } +static __be32 +nfsd4_nverify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_verify *verify) +{ + __be32 status; + + status = _nfsd4_verify(rqstp, cstate, verify); + return status == nfserr_not_same ? nfs_ok : status; +} + +static __be32 +nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_verify *verify) +{ + __be32 status; + + status = _nfsd4_verify(rqstp, cstate, verify); + return status == nfserr_same ? nfs_ok : status; +} + /* * NULL call. */ @@ -727,6 +773,42 @@ static inline void nfsd4_increment_op_stats(u32 opnum) nfsdstats.nfs4_opcount[opnum]++; } +static void cstate_free(struct nfsd4_compound_state *cstate) +{ + if (cstate == NULL) + return; + fh_put(&cstate->current_fh); + fh_put(&cstate->save_fh); + BUG_ON(cstate->replay_owner); + kfree(cstate); +} + +static struct nfsd4_compound_state *cstate_alloc(void) +{ + struct nfsd4_compound_state *cstate; + + cstate = kmalloc(sizeof(struct nfsd4_compound_state), GFP_KERNEL); + if (cstate == NULL) + return NULL; + fh_init(&cstate->current_fh, NFS4_FHSIZE); + fh_init(&cstate->save_fh, NFS4_FHSIZE); + cstate->replay_owner = NULL; + return cstate; +} + +typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *, + void *); + +struct nfsd4_operation { + nfsd4op_func op_func; + u32 op_flags; +/* Most ops require a valid current filehandle; a few don't: */ +#define ALLOWED_WITHOUT_FH 1 +/* GETATTR and ops not listed as returning NFS4ERR_MOVED: */ +#define ALLOWED_ON_ABSENT_FS 2 +}; + +static struct nfsd4_operation nfsd4_ops[]; /* * COMPOUND call. @@ -737,21 +819,15 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, struct nfsd4_compoundres *resp) { struct nfsd4_op *op; - struct svc_fh *current_fh = NULL; - struct svc_fh *save_fh = NULL; - struct nfs4_stateowner *replay_owner = NULL; - int slack_space; /* in words, not bytes! */ + struct nfsd4_operation *opdesc; + struct nfsd4_compound_state *cstate = NULL; + int slack_bytes; __be32 status; status = nfserr_resource; - current_fh = kmalloc(sizeof(*current_fh), GFP_KERNEL); - if (current_fh == NULL) - goto out; - fh_init(current_fh, NFS4_FHSIZE); - save_fh = kmalloc(sizeof(*save_fh), GFP_KERNEL); - if (save_fh == NULL) + cstate = cstate_alloc(); + if (cstate == NULL) goto out; - fh_init(save_fh, NFS4_FHSIZE); resp->xbuf = &rqstp->rq_res; resp->p = rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len; @@ -790,164 +866,44 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, * failed response to the next operation. If we don't * have enough room, fail with ERR_RESOURCE. */ -/* FIXME - is slack_space *really* words, or bytes??? - neilb */ - slack_space = (char *)resp->end - (char *)resp->p; - if (slack_space < COMPOUND_SLACK_SPACE + COMPOUND_ERR_SLACK_SPACE) { - BUG_ON(slack_space < COMPOUND_ERR_SLACK_SPACE); + slack_bytes = (char *)resp->end - (char *)resp->p; + if (slack_bytes < COMPOUND_SLACK_SPACE + + COMPOUND_ERR_SLACK_SPACE) { + BUG_ON(slack_bytes < COMPOUND_ERR_SLACK_SPACE); op->status = nfserr_resource; goto encode_op; } - /* All operations except RENEW, SETCLIENTID, RESTOREFH - * SETCLIENTID_CONFIRM, PUTFH and PUTROOTFH - * require a valid current filehandle - */ - if (!current_fh->fh_dentry) { - if (!((op->opnum == OP_PUTFH) || - (op->opnum == OP_PUTROOTFH) || - (op->opnum == OP_SETCLIENTID) || - (op->opnum == OP_SETCLIENTID_CONFIRM) || - (op->opnum == OP_RENEW) || - (op->opnum == OP_RESTOREFH) || - (op->opnum == OP_RELEASE_LOCKOWNER))) { + opdesc = &nfsd4_ops[op->opnum]; + + if (!cstate->current_fh.fh_dentry) { + if (!(opdesc->op_flags & ALLOWED_WITHOUT_FH)) { op->status = nfserr_nofilehandle; goto encode_op; } - } - /* Check must be done at start of each operation, except - * for GETATTR and ops not listed as returning NFS4ERR_MOVED - */ - else if (current_fh->fh_export->ex_fslocs.migrated && - !((op->opnum == OP_GETATTR) || - (op->opnum == OP_PUTROOTFH) || - (op->opnum == OP_PUTPUBFH) || - (op->opnum == OP_RENEW) || - (op->opnum == OP_SETCLIENTID) || - (op->opnum == OP_RELEASE_LOCKOWNER))) { + } else if (cstate->current_fh.fh_export->ex_fslocs.migrated && + !(opdesc->op_flags & ALLOWED_ON_ABSENT_FS)) { op->status = nfserr_moved; goto encode_op; } - switch (op->opnum) { - case OP_ACCESS: - op->status = nfsd4_access(rqstp, current_fh, &op->u.access); - break; - case OP_CLOSE: - op->status = nfsd4_close(rqstp, current_fh, &op->u.close, &replay_owner); - break; - case OP_COMMIT: - op->status = nfsd4_commit(rqstp, current_fh, &op->u.commit); - break; - case OP_CREATE: - op->status = nfsd4_create(rqstp, current_fh, &op->u.create); - break; - case OP_DELEGRETURN: - op->status = nfsd4_delegreturn(rqstp, current_fh, &op->u.delegreturn); - break; - case OP_GETATTR: - op->status = nfsd4_getattr(rqstp, current_fh, &op->u.getattr); - break; - case OP_GETFH: - op->status = nfsd4_getfh(current_fh, &op->u.getfh); - break; - case OP_LINK: - op->status = nfsd4_link(rqstp, current_fh, save_fh, &op->u.link); - break; - case OP_LOCK: - op->status = nfsd4_lock(rqstp, current_fh, &op->u.lock, &replay_owner); - break; - case OP_LOCKT: - op->status = nfsd4_lockt(rqstp, current_fh, &op->u.lockt); - break; - case OP_LOCKU: - op->status = nfsd4_locku(rqstp, current_fh, &op->u.locku, &replay_owner); - break; - case OP_LOOKUP: - op->status = nfsd4_lookup(rqstp, current_fh, &op->u.lookup); - break; - case OP_LOOKUPP: - op->status = nfsd4_lookupp(rqstp, current_fh); - break; - case OP_NVERIFY: - op->status = nfsd4_verify(rqstp, current_fh, &op->u.nverify); - if (op->status == nfserr_not_same) - op->status = nfs_ok; - break; - case OP_OPEN: - op->status = nfsd4_open(rqstp, current_fh, &op->u.open, &replay_owner); - break; - case OP_OPEN_CONFIRM: - op->status = nfsd4_open_confirm(rqstp, current_fh, &op->u.open_confirm, &replay_owner); - break; - case OP_OPEN_DOWNGRADE: - op->status = nfsd4_open_downgrade(rqstp, current_fh, &op->u.open_downgrade, &replay_owner); - break; - case OP_PUTFH: - op->status = nfsd4_putfh(rqstp, current_fh, &op->u.putfh); - break; - case OP_PUTROOTFH: - op->status = nfsd4_putrootfh(rqstp, current_fh); - break; - case OP_READ: - op->status = nfsd4_read(rqstp, current_fh, &op->u.read); - break; - case OP_READDIR: - op->status = nfsd4_readdir(rqstp, current_fh, &op->u.readdir); - break; - case OP_READLINK: - op->status = nfsd4_readlink(rqstp, current_fh, &op->u.readlink); - break; - case OP_REMOVE: - op->status = nfsd4_remove(rqstp, current_fh, &op->u.remove); - break; - case OP_RENAME: - op->status = nfsd4_rename(rqstp, current_fh, save_fh, &op->u.rename); - break; - case OP_RENEW: - op->status = nfsd4_renew(&op->u.renew); - break; - case OP_RESTOREFH: - op->status = nfsd4_restorefh(current_fh, save_fh); - break; - case OP_SAVEFH: - op->status = nfsd4_savefh(current_fh, save_fh); - break; - case OP_SETATTR: - op->status = nfsd4_setattr(rqstp, current_fh, &op->u.setattr); - break; - case OP_SETCLIENTID: - op->status = nfsd4_setclientid(rqstp, &op->u.setclientid); - break; - case OP_SETCLIENTID_CONFIRM: - op->status = nfsd4_setclientid_confirm(rqstp, &op->u.setclientid_confirm); - break; - case OP_VERIFY: - op->status = nfsd4_verify(rqstp, current_fh, &op->u.verify); - if (op->status == nfserr_same) - op->status = nfs_ok; - break; - case OP_WRITE: - op->status = nfsd4_write(rqstp, current_fh, &op->u.write); - break; - case OP_RELEASE_LOCKOWNER: - op->status = nfsd4_release_lockowner(rqstp, &op->u.release_lockowner); - break; - default: + + if (opdesc->op_func) + op->status = opdesc->op_func(rqstp, cstate, &op->u); + else BUG_ON(op->status == nfs_ok); - break; - } encode_op: if (op->status == nfserr_replay_me) { - op->replay = &replay_owner->so_replay; + op->replay = &cstate->replay_owner->so_replay; nfsd4_encode_replay(resp, op); status = op->status = op->replay->rp_status; } else { nfsd4_encode_operation(resp, op); status = op->status; } - if (replay_owner && (replay_owner != (void *)(-1))) { - nfs4_put_stateowner(replay_owner); - replay_owner = NULL; + if (cstate->replay_owner) { + nfs4_put_stateowner(cstate->replay_owner); + cstate->replay_owner = NULL; } /* XXX Ugh, we need to get rid of this kind of special case: */ if (op->opnum == OP_READ && op->u.read.rd_filp) @@ -958,15 +914,124 @@ encode_op: out: nfsd4_release_compoundargs(args); - if (current_fh) - fh_put(current_fh); - kfree(current_fh); - if (save_fh) - fh_put(save_fh); - kfree(save_fh); + cstate_free(cstate); return status; } +static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = { + [OP_ACCESS] = { + .op_func = (nfsd4op_func)nfsd4_access, + }, + [OP_CLOSE] = { + .op_func = (nfsd4op_func)nfsd4_close, + }, + [OP_COMMIT] = { + .op_func = (nfsd4op_func)nfsd4_commit, + }, + [OP_CREATE] = { + .op_func = (nfsd4op_func)nfsd4_create, + }, + [OP_DELEGRETURN] = { + .op_func = (nfsd4op_func)nfsd4_delegreturn, + }, + [OP_GETATTR] = { + .op_func = (nfsd4op_func)nfsd4_getattr, + .op_flags = ALLOWED_ON_ABSENT_FS, + }, + [OP_GETFH] = { + .op_func = (nfsd4op_func)nfsd4_getfh, + }, + [OP_LINK] = { + .op_func = (nfsd4op_func)nfsd4_link, + }, + [OP_LOCK] = { + .op_func = (nfsd4op_func)nfsd4_lock, + }, + [OP_LOCKT] = { + .op_func = (nfsd4op_func)nfsd4_lockt, + }, + [OP_LOCKU] = { + .op_func = (nfsd4op_func)nfsd4_locku, + }, + [OP_LOOKUP] = { + .op_func = (nfsd4op_func)nfsd4_lookup, + }, + [OP_LOOKUPP] = { + .op_func = (nfsd4op_func)nfsd4_lookupp, + }, + [OP_NVERIFY] = { + .op_func = (nfsd4op_func)nfsd4_nverify, + }, + [OP_OPEN] = { + .op_func = (nfsd4op_func)nfsd4_open, + }, + [OP_OPEN_CONFIRM] = { + .op_func = (nfsd4op_func)nfsd4_open_confirm, + }, + [OP_OPEN_DOWNGRADE] = { + .op_func = (nfsd4op_func)nfsd4_open_downgrade, + }, + [OP_PUTFH] = { + .op_func = (nfsd4op_func)nfsd4_putfh, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_PUTPUBFH] = { + /* unsupported; just for future reference: */ + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_PUTROOTFH] = { + .op_func = (nfsd4op_func)nfsd4_putrootfh, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_READ] = { + .op_func = (nfsd4op_func)nfsd4_read, + }, + [OP_READDIR] = { + .op_func = (nfsd4op_func)nfsd4_readdir, + }, + [OP_READLINK] = { + .op_func = (nfsd4op_func)nfsd4_readlink, + }, + [OP_REMOVE] = { + .op_func = (nfsd4op_func)nfsd4_remove, + }, + [OP_RENAME] = { + .op_func = (nfsd4op_func)nfsd4_rename, + }, + [OP_RENEW] = { + .op_func = (nfsd4op_func)nfsd4_renew, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_RESTOREFH] = { + .op_func = (nfsd4op_func)nfsd4_restorefh, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_SAVEFH] = { + .op_func = (nfsd4op_func)nfsd4_savefh, + }, + [OP_SETATTR] = { + .op_func = (nfsd4op_func)nfsd4_setattr, + }, + [OP_SETCLIENTID] = { + .op_func = (nfsd4op_func)nfsd4_setclientid, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_SETCLIENTID_CONFIRM] = { + .op_func = (nfsd4op_func)nfsd4_setclientid_confirm, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, + [OP_VERIFY] = { + .op_func = (nfsd4op_func)nfsd4_verify, + }, + [OP_WRITE] = { + .op_func = (nfsd4op_func)nfsd4_write, + }, + [OP_RELEASE_LOCKOWNER] = { + .op_func = (nfsd4op_func)nfsd4_release_lockowner, + .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + }, +}; + #define nfs4svc_decode_voidargs NULL #define nfs4svc_release_void NULL #define nfsd4_voidres nfsd4_voidargs diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index 81b8565d383..c7774e3a946 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -259,7 +259,7 @@ nfsd4_remove_clid_file(struct dentry *dir, struct dentry *dentry) printk("nfsd4: non-file found in client recovery directory\n"); return -EINVAL; } - mutex_lock(&dir->d_inode->i_mutex); + mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT); status = vfs_unlink(dir->d_inode, dentry); mutex_unlock(&dir->d_inode->i_mutex); return status; diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 293b6495829..9de89df961f 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -84,10 +84,10 @@ static void nfs4_set_recdir(char *recdir); */ static DEFINE_MUTEX(client_mutex); -static kmem_cache_t *stateowner_slab = NULL; -static kmem_cache_t *file_slab = NULL; -static kmem_cache_t *stateid_slab = NULL; -static kmem_cache_t *deleg_slab = NULL; +static struct kmem_cache *stateowner_slab = NULL; +static struct kmem_cache *file_slab = NULL; +static struct kmem_cache *stateid_slab = NULL; +static struct kmem_cache *deleg_slab = NULL; void nfs4_lock_state(void) @@ -711,7 +711,8 @@ out_err: * */ __be32 -nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_setclientid *setclid) +nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_setclientid *setclid) { __be32 ip_addr = rqstp->rq_addr.sin_addr.s_addr; struct xdr_netobj clname = { @@ -876,7 +877,9 @@ out: * NOTE: callback information will be processed here in a future patch */ __be32 -nfsd4_setclientid_confirm(struct svc_rqst *rqstp, struct nfsd4_setclientid_confirm *setclientid_confirm) +nfsd4_setclientid_confirm(struct svc_rqst *rqstp, + struct nfsd4_compound_state *cstate, + struct nfsd4_setclientid_confirm *setclientid_confirm) { __be32 ip_addr = rqstp->rq_addr.sin_addr.s_addr; struct nfs4_client *conf, *unconf; @@ -1003,7 +1006,7 @@ alloc_init_file(struct inode *ino) } static void -nfsd4_free_slab(kmem_cache_t **slab) +nfsd4_free_slab(struct kmem_cache **slab) { if (*slab == NULL) return; @@ -1310,7 +1313,7 @@ static inline void nfs4_file_downgrade(struct file *filp, unsigned int share_access) { if (share_access & NFS4_SHARE_ACCESS_WRITE) { - put_write_access(filp->f_dentry->d_inode); + put_write_access(filp->f_path.dentry->d_inode); filp->f_mode = (filp->f_mode | FMODE_READ) & ~FMODE_WRITE; } } @@ -1623,7 +1626,7 @@ static __be32 nfs4_upgrade_open(struct svc_rqst *rqstp, struct svc_fh *cur_fh, struct nfs4_stateid *stp, struct nfsd4_open *open) { struct file *filp = stp->st_vfs_file; - struct inode *inode = filp->f_dentry->d_inode; + struct inode *inode = filp->f_path.dentry->d_inode; unsigned int share_access, new_writer; __be32 status; @@ -1829,12 +1832,12 @@ out: } static struct workqueue_struct *laundry_wq; -static struct work_struct laundromat_work; -static void laundromat_main(void *); -static DECLARE_WORK(laundromat_work, laundromat_main, NULL); +static void laundromat_main(struct work_struct *); +static DECLARE_DELAYED_WORK(laundromat_work, laundromat_main); __be32 -nfsd4_renew(clientid_t *clid) +nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + clientid_t *clid) { struct nfs4_client *clp; __be32 status; @@ -1940,7 +1943,7 @@ nfs4_laundromat(void) } void -laundromat_main(void *not_used) +laundromat_main(struct work_struct *not_used) { time_t t; @@ -1966,7 +1969,7 @@ search_close_lru(u32 st_id, int flags) static inline int nfs4_check_fh(struct svc_fh *fhp, struct nfs4_stateid *stp) { - return fhp->fh_dentry->d_inode != stp->st_vfs_file->f_dentry->d_inode; + return fhp->fh_dentry->d_inode != stp->st_vfs_file->f_path.dentry->d_inode; } static int @@ -2242,24 +2245,25 @@ check_replay: } __be32 -nfsd4_open_confirm(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open_confirm *oc, struct nfs4_stateowner **replay_owner) +nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_open_confirm *oc) { __be32 status; struct nfs4_stateowner *sop; struct nfs4_stateid *stp; dprintk("NFSD: nfsd4_open_confirm on file %.*s\n", - (int)current_fh->fh_dentry->d_name.len, - current_fh->fh_dentry->d_name.name); + (int)cstate->current_fh.fh_dentry->d_name.len, + cstate->current_fh.fh_dentry->d_name.name); - status = fh_verify(rqstp, current_fh, S_IFREG, 0); + status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0); if (status) return status; nfs4_lock_state(); - if ((status = nfs4_preprocess_seqid_op(current_fh, oc->oc_seqid, - &oc->oc_req_stateid, + if ((status = nfs4_preprocess_seqid_op(&cstate->current_fh, + oc->oc_seqid, &oc->oc_req_stateid, CHECK_FH | CONFIRM | OPEN_STATE, &oc->oc_stateowner, &stp, NULL))) goto out; @@ -2279,7 +2283,7 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfs out: if (oc->oc_stateowner) { nfs4_get_stateowner(oc->oc_stateowner); - *replay_owner = oc->oc_stateowner; + cstate->replay_owner = oc->oc_stateowner; } nfs4_unlock_state(); return status; @@ -2311,22 +2315,25 @@ reset_union_bmap_deny(unsigned long deny, unsigned long *bmap) } __be32 -nfsd4_open_downgrade(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open_downgrade *od, struct nfs4_stateowner **replay_owner) +nfsd4_open_downgrade(struct svc_rqst *rqstp, + struct nfsd4_compound_state *cstate, + struct nfsd4_open_downgrade *od) { __be32 status; struct nfs4_stateid *stp; unsigned int share_access; dprintk("NFSD: nfsd4_open_downgrade on file %.*s\n", - (int)current_fh->fh_dentry->d_name.len, - current_fh->fh_dentry->d_name.name); + (int)cstate->current_fh.fh_dentry->d_name.len, + cstate->current_fh.fh_dentry->d_name.name); if (!access_valid(od->od_share_access) || !deny_valid(od->od_share_deny)) return nfserr_inval; nfs4_lock_state(); - if ((status = nfs4_preprocess_seqid_op(current_fh, od->od_seqid, + if ((status = nfs4_preprocess_seqid_op(&cstate->current_fh, + od->od_seqid, &od->od_stateid, CHECK_FH | OPEN_STATE, &od->od_stateowner, &stp, NULL))) @@ -2356,7 +2363,7 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct n out: if (od->od_stateowner) { nfs4_get_stateowner(od->od_stateowner); - *replay_owner = od->od_stateowner; + cstate->replay_owner = od->od_stateowner; } nfs4_unlock_state(); return status; @@ -2366,18 +2373,20 @@ out: * nfs4_unlock_state() called after encode */ __be32 -nfsd4_close(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_close *close, struct nfs4_stateowner **replay_owner) +nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_close *close) { __be32 status; struct nfs4_stateid *stp; dprintk("NFSD: nfsd4_close on file %.*s\n", - (int)current_fh->fh_dentry->d_name.len, - current_fh->fh_dentry->d_name.name); + (int)cstate->current_fh.fh_dentry->d_name.len, + cstate->current_fh.fh_dentry->d_name.name); nfs4_lock_state(); /* check close_lru for replay */ - if ((status = nfs4_preprocess_seqid_op(current_fh, close->cl_seqid, + if ((status = nfs4_preprocess_seqid_op(&cstate->current_fh, + close->cl_seqid, &close->cl_stateid, CHECK_FH | OPEN_STATE | CLOSE_STATE, &close->cl_stateowner, &stp, NULL))) @@ -2398,22 +2407,24 @@ nfsd4_close(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_clos out: if (close->cl_stateowner) { nfs4_get_stateowner(close->cl_stateowner); - *replay_owner = close->cl_stateowner; + cstate->replay_owner = close->cl_stateowner; } nfs4_unlock_state(); return status; } __be32 -nfsd4_delegreturn(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_delegreturn *dr) +nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_delegreturn *dr) { __be32 status; - if ((status = fh_verify(rqstp, current_fh, S_IFREG, 0))) + if ((status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0))) goto out; nfs4_lock_state(); - status = nfs4_preprocess_stateid_op(current_fh, &dr->dr_stateid, DELEG_RET, NULL); + status = nfs4_preprocess_stateid_op(&cstate->current_fh, + &dr->dr_stateid, DELEG_RET, NULL); nfs4_unlock_state(); out: return status; @@ -2636,7 +2647,8 @@ check_lock_length(u64 offset, u64 length) * LOCK operation */ __be32 -nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock *lock, struct nfs4_stateowner **replay_owner) +nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_lock *lock) { struct nfs4_stateowner *open_sop = NULL; struct nfs4_stateowner *lock_sop = NULL; @@ -2655,7 +2667,8 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock if (check_lock_length(lock->lk_offset, lock->lk_length)) return nfserr_inval; - if ((status = fh_verify(rqstp, current_fh, S_IFREG, MAY_LOCK))) { + if ((status = fh_verify(rqstp, &cstate->current_fh, + S_IFREG, MAY_LOCK))) { dprintk("NFSD: nfsd4_lock: permission denied!\n"); return status; } @@ -2676,7 +2689,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock goto out; /* validate and update open stateid and open seqid */ - status = nfs4_preprocess_seqid_op(current_fh, + status = nfs4_preprocess_seqid_op(&cstate->current_fh, lock->lk_new_open_seqid, &lock->lk_new_open_stateid, CHECK_FH | OPEN_STATE, @@ -2703,7 +2716,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock goto out; } else { /* lock (lock owner + lock stateid) already exists */ - status = nfs4_preprocess_seqid_op(current_fh, + status = nfs4_preprocess_seqid_op(&cstate->current_fh, lock->lk_old_lock_seqid, &lock->lk_old_lock_stateid, CHECK_FH | LOCK_STATE, @@ -2760,7 +2773,6 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock conflock.fl_ops = NULL; conflock.fl_lmops = NULL; err = posix_lock_file_conf(filp, &file_lock, &conflock); - dprintk("NFSD: nfsd4_lock: posix_lock_file_conf status %d\n",status); switch (-err) { case 0: /* success! */ update_stateid(&lock_stp->st_stateid); @@ -2786,7 +2798,7 @@ out: release_stateowner(lock_sop); if (lock->lk_replay_owner) { nfs4_get_stateowner(lock->lk_replay_owner); - *replay_owner = lock->lk_replay_owner; + cstate->replay_owner = lock->lk_replay_owner; } nfs4_unlock_state(); return status; @@ -2796,7 +2808,8 @@ out: * LOCKT operation */ __be32 -nfsd4_lockt(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lockt *lockt) +nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_lockt *lockt) { struct inode *inode; struct file file; @@ -2817,14 +2830,14 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock if (STALE_CLIENTID(&lockt->lt_clientid)) goto out; - if ((status = fh_verify(rqstp, current_fh, S_IFREG, 0))) { + if ((status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0))) { dprintk("NFSD: nfsd4_lockt: fh_verify() failed!\n"); if (status == nfserr_symlink) status = nfserr_inval; goto out; } - inode = current_fh->fh_dentry->d_inode; + inode = cstate->current_fh.fh_dentry->d_inode; locks_init_lock(&file_lock); switch (lockt->lt_type) { case NFS4_READ_LT: @@ -2863,7 +2876,7 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock * only the dentry:inode set. */ memset(&file, 0, sizeof (struct file)); - file.f_dentry = current_fh->fh_dentry; + file.f_path.dentry = cstate->current_fh.fh_dentry; status = nfs_ok; if (posix_test_lock(&file, &file_lock, &conflock)) { @@ -2876,7 +2889,8 @@ out: } __be32 -nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_locku *locku, struct nfs4_stateowner **replay_owner) +nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + struct nfsd4_locku *locku) { struct nfs4_stateid *stp; struct file *filp = NULL; @@ -2893,7 +2907,7 @@ nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock nfs4_lock_state(); - if ((status = nfs4_preprocess_seqid_op(current_fh, + if ((status = nfs4_preprocess_seqid_op(&cstate->current_fh, locku->lu_seqid, &locku->lu_stateid, CHECK_FH | LOCK_STATE, @@ -2934,7 +2948,7 @@ nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock out: if (locku->lu_stateowner) { nfs4_get_stateowner(locku->lu_stateowner); - *replay_owner = locku->lu_stateowner; + cstate->replay_owner = locku->lu_stateowner; } nfs4_unlock_state(); return status; @@ -2953,7 +2967,7 @@ static int check_for_locks(struct file *filp, struct nfs4_stateowner *lowner) { struct file_lock **flpp; - struct inode *inode = filp->f_dentry->d_inode; + struct inode *inode = filp->f_path.dentry->d_inode; int status = 0; lock_kernel(); @@ -2969,7 +2983,9 @@ out: } __be32 -nfsd4_release_lockowner(struct svc_rqst *rqstp, struct nfsd4_release_lockowner *rlockowner) +nfsd4_release_lockowner(struct svc_rqst *rqstp, + struct nfsd4_compound_state *cstate, + struct nfsd4_release_lockowner *rlockowner) { clientid_t *clid = &rlockowner->rl_clientid; struct nfs4_stateowner *sop; diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index f3f239db04b..fea46368afb 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1845,15 +1845,11 @@ nfsd4_encode_dirent_fattr(struct nfsd4_readdir *cd, exp_get(exp); if (d_mountpoint(dentry)) { - if (nfsd_cross_mnt(cd->rd_rqstp, &dentry, &exp)) { - /* - * -EAGAIN is the only error returned from - * nfsd_cross_mnt() and it indicates that an - * up-call has been initiated to fill in the export - * options on exp. When the answer comes back, - * this call will be retried. - */ - nfserr = nfserr_dropit; + int err; + + err = nfsd_cross_mnt(cd->rd_rqstp, &dentry, &exp); + if (err) { + nfserr = nfserrno(err); goto out_put; } diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index 6100bbe2743..f90d7047585 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -66,14 +66,13 @@ nfsd_cache_init(void) printk (KERN_ERR "nfsd: cannot allocate all %d cache entries, only got %d\n", CACHESIZE, CACHESIZE-i); - hash_list = kmalloc (HASHSIZE * sizeof(struct hlist_head), GFP_KERNEL); + hash_list = kcalloc (HASHSIZE, sizeof(struct hlist_head), GFP_KERNEL); if (!hash_list) { nfsd_cache_shutdown(); printk (KERN_ERR "nfsd: cannot allocate %Zd bytes for hash list\n", HASHSIZE * sizeof(struct hlist_head)); return; } - memset(hash_list, 0, HASHSIZE * sizeof(struct hlist_head)); cache_disabled = 0; } diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 39aed901514..eedf2e3990a 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -111,7 +111,7 @@ static ssize_t (*write_op[])(struct file *, char *, size_t) = { static ssize_t nfsctl_transaction_write(struct file *file, const char __user *buf, size_t size, loff_t *pos) { - ino_t ino = file->f_dentry->d_inode->i_ino; + ino_t ino = file->f_path.dentry->d_inode->i_ino; char *data; ssize_t rv; diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c index 727ab3bd450..b06bf9f70ef 100644 --- a/fs/nfsd/nfsfh.c +++ b/fs/nfsd/nfsfh.c @@ -169,9 +169,11 @@ fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, int access) exp = exp_find(rqstp->rq_client, 0, tfh, &rqstp->rq_chandle); } - error = nfserr_dropit; - if (IS_ERR(exp) && PTR_ERR(exp) == -EAGAIN) + if (IS_ERR(exp) && (PTR_ERR(exp) == -EAGAIN + || PTR_ERR(exp) == -ETIMEDOUT)) { + error = nfserrno(PTR_ERR(exp)); goto out; + } error = nfserr_stale; if (!exp || IS_ERR(exp)) diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c index 56ebb1443e0..f5243f94399 100644 --- a/fs/nfsd/nfsxdr.c +++ b/fs/nfsd/nfsxdr.c @@ -18,11 +18,6 @@ #define NFSDDBG_FACILITY NFSDDBG_XDR - -#ifdef NFSD_OPTIMIZE_SPACE -# define inline -#endif - /* * Mapping of S_IF* types to NFS file types */ @@ -55,7 +50,7 @@ __be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp) return decode_fh(p, fhp); } -static inline __be32 * +static __be32 * encode_fh(__be32 *p, struct svc_fh *fhp) { memcpy(p, &fhp->fh_handle.fh_base, NFS_FHSIZE); @@ -66,7 +61,7 @@ encode_fh(__be32 *p, struct svc_fh *fhp) * Decode a file name and make sure that the path contains * no slashes or null bytes. */ -static inline __be32 * +static __be32 * decode_filename(__be32 *p, char **namp, int *lenp) { char *name; @@ -82,7 +77,7 @@ decode_filename(__be32 *p, char **namp, int *lenp) return p; } -static inline __be32 * +static __be32 * decode_pathname(__be32 *p, char **namp, int *lenp) { char *name; @@ -98,7 +93,7 @@ decode_pathname(__be32 *p, char **namp, int *lenp) return p; } -static inline __be32 * +static __be32 * decode_sattr(__be32 *p, struct iattr *iap) { u32 tmp, tmp1; diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index bb4d926e448..7a79c23aa6d 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -99,7 +99,7 @@ static struct raparm_hbucket raparm_hash[RAPARM_HASH_SIZE]; /* * Called from nfsd_lookup and encode_dirent. Check if we have crossed * a mount point. - * Returns -EAGAIN leaving *dpp and *expp unchanged, + * Returns -EAGAIN or -ETIMEDOUT leaving *dpp and *expp unchanged, * or nfs_ok having possibly changed *dpp and *expp */ int @@ -736,10 +736,10 @@ 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); + struct inode *inode = filp->f_path.dentry->d_inode; + dprintk("nfsd: sync file %s\n", filp->f_path.dentry->d_name.name); mutex_lock(&inode->i_mutex); - err=nfsd_dosync(filp, filp->f_dentry, filp->f_op); + err=nfsd_dosync(filp, filp->f_path.dentry, filp->f_op); mutex_unlock(&inode->i_mutex); return err; @@ -845,7 +845,7 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, int host_err; err = nfserr_perm; - inode = file->f_dentry->d_inode; + inode = file->f_path.dentry->d_inode; #ifdef MSNFS if ((fhp->fh_export->ex_flags & NFSEXP_MSNFS) && (!lock_may_read(inode, offset, *count))) @@ -883,7 +883,7 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, nfsdstats.io_read += host_err; *count = host_err; err = 0; - fsnotify_access(file->f_dentry); + fsnotify_access(file->f_path.dentry); } else err = nfserrno(host_err); out: @@ -917,11 +917,11 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, err = nfserr_perm; if ((fhp->fh_export->ex_flags & NFSEXP_MSNFS) && - (!lock_may_write(file->f_dentry->d_inode, offset, cnt))) + (!lock_may_write(file->f_path.dentry->d_inode, offset, cnt))) goto out; #endif - dentry = file->f_dentry; + dentry = file->f_path.dentry; inode = dentry->d_inode; exp = fhp->fh_export; @@ -950,7 +950,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, set_fs(oldfs); if (host_err >= 0) { nfsdstats.io_write += cnt; - fsnotify_modify(file->f_dentry); + fsnotify_modify(file->f_path.dentry); } /* clear setuid/setgid flag after write */ @@ -1885,28 +1885,27 @@ nfsd_racache_init(int cache_size) return 0; if (cache_size < 2*RAPARM_HASH_SIZE) cache_size = 2*RAPARM_HASH_SIZE; - raparml = kmalloc(sizeof(struct raparms) * cache_size, GFP_KERNEL); - - if (raparml != NULL) { - dprintk("nfsd: allocating %d readahead buffers.\n", - cache_size); - for (i = 0 ; i < RAPARM_HASH_SIZE ; i++) { - raparm_hash[i].pb_head = NULL; - spin_lock_init(&raparm_hash[i].pb_lock); - } - nperbucket = cache_size >> RAPARM_HASH_BITS; - memset(raparml, 0, sizeof(struct raparms) * cache_size); - for (i = 0; i < cache_size - 1; i++) { - if (i % nperbucket == 0) - raparm_hash[j++].pb_head = raparml + i; - if (i % nperbucket < nperbucket-1) - raparml[i].p_next = raparml + i + 1; - } - } else { + raparml = kcalloc(cache_size, sizeof(struct raparms), GFP_KERNEL); + + if (!raparml) { printk(KERN_WARNING - "nfsd: Could not allocate memory read-ahead cache.\n"); + "nfsd: Could not allocate memory read-ahead cache.\n"); return -ENOMEM; } + + dprintk("nfsd: allocating %d readahead buffers.\n", cache_size); + for (i = 0 ; i < RAPARM_HASH_SIZE ; i++) { + raparm_hash[i].pb_head = NULL; + spin_lock_init(&raparm_hash[i].pb_lock); + } + nperbucket = cache_size >> RAPARM_HASH_BITS; + for (i = 0; i < cache_size - 1; i++) { + if (i % nperbucket == 0) + raparm_hash[j++].pb_head = raparml + i; + if (i % nperbucket < nperbucket-1) + raparml[i].p_next = raparml + i + 1; + } + nfsdstats.ra_size = cache_size; return 0; } |