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Diffstat (limited to 'fs/nfsd/vfs.h')
-rw-r--r--fs/nfsd/vfs.h123
1 files changed, 58 insertions, 65 deletions
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h
index 9f56dcb22ff7..ded2900d423f 100644
--- a/fs/nfsd/vfs.h
+++ b/fs/nfsd/vfs.h
@@ -6,6 +6,8 @@
#ifndef LINUX_NFSD_VFS_H
#define LINUX_NFSD_VFS_H
+#include <linux/fs.h>
+#include <linux/posix_acl.h>
#include "nfsfh.h"
#include "nfsd.h"
@@ -18,7 +20,7 @@
#define NFSD_MAY_READ 0x004 /* == MAY_READ */
#define NFSD_MAY_SATTR 0x008
#define NFSD_MAY_TRUNC 0x010
-#define NFSD_MAY_LOCK 0x020
+#define NFSD_MAY_NLM 0x020 /* request is from lockd */
#define NFSD_MAY_MASK 0x03f
/* extra hints to permission and open routines: */
@@ -31,6 +33,8 @@
#define NFSD_MAY_64BIT_COOKIE 0x1000 /* 64 bit readdir cookies for >= NFSv3 */
+#define NFSD_MAY_LOCALIO 0x2000 /* for tracing, reflects when localio used */
+
#define NFSD_MAY_CREATE (NFSD_MAY_EXEC|NFSD_MAY_WRITE)
#define NFSD_MAY_REMOVE (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
@@ -42,6 +46,31 @@ struct nfsd_file;
typedef int (*nfsd_filldir_t)(void *, const char *, int, loff_t, u64, unsigned);
/* nfsd/vfs.c */
+struct nfsd_attrs {
+ struct iattr *na_iattr; /* input */
+ struct xdr_netobj *na_seclabel; /* input */
+ struct posix_acl *na_pacl; /* input */
+ struct posix_acl *na_dpacl; /* input */
+
+ int na_labelerr; /* output */
+ int na_aclerr; /* output */
+};
+
+static inline void nfsd_attrs_free(struct nfsd_attrs *attrs)
+{
+ posix_acl_release(attrs->na_pacl);
+ posix_acl_release(attrs->na_dpacl);
+}
+
+static inline bool nfsd_attrs_valid(struct nfsd_attrs *attrs)
+{
+ struct iattr *iap = attrs->na_iattr;
+
+ return (iap->ia_valid || (attrs->na_seclabel &&
+ attrs->na_seclabel->len));
+}
+
+__be32 nfserrno (int errno);
int nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
struct svc_export **expp);
__be32 nfsd_lookup(struct svc_rqst *, struct svc_fh *,
@@ -50,11 +79,9 @@ __be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
const char *, unsigned int,
struct svc_export **, struct dentry **);
__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *,
- struct iattr *, int, time64_t);
+ struct nfsd_attrs *, const struct timespec64 *);
int nfsd_mountpoint(struct dentry *, struct svc_export *);
#ifdef CONFIG_NFSD_V4
-__be32 nfsd4_set_nfs4_label(struct svc_rqst *, struct svc_fh *,
- struct xdr_netobj *);
__be32 nfsd4_vfs_fallocate(struct svc_rqst *, struct svc_fh *,
struct file *, loff_t, loff_t, int);
__be32 nfsd4_clone_file_range(struct svc_rqst *rqstp,
@@ -63,20 +90,17 @@ __be32 nfsd4_clone_file_range(struct svc_rqst *rqstp,
u64 count, bool sync);
#endif /* CONFIG_NFSD_V4 */
__be32 nfsd_create_locked(struct svc_rqst *, struct svc_fh *,
- char *name, int len, struct iattr *attrs,
- int type, dev_t rdev, struct svc_fh *res);
+ struct nfsd_attrs *attrs, int type, dev_t rdev,
+ struct svc_fh *res);
__be32 nfsd_create(struct svc_rqst *, struct svc_fh *,
- char *name, int len, struct iattr *attrs,
+ char *name, int len, struct nfsd_attrs *attrs,
int type, dev_t rdev, struct svc_fh *res);
-#ifdef CONFIG_NFSD_V3
__be32 nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
-__be32 do_nfsd_create(struct svc_rqst *, struct svc_fh *,
- char *name, int len, struct iattr *attrs,
- struct svc_fh *res, int createmode,
- u32 *verifier, bool *truncp, bool *created);
-__be32 nfsd_commit(struct svc_rqst *, struct svc_fh *,
- loff_t, unsigned long, __be32 *verf);
-#endif /* CONFIG_NFSD_V3 */
+__be32 nfsd_create_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp,
+ struct svc_fh *resfhp, struct nfsd_attrs *iap);
+__be32 nfsd_commit(struct svc_rqst *rqst, struct svc_fh *fhp,
+ struct nfsd_file *nf, u64 offset, u32 count,
+ __be32 *verf);
#ifdef CONFIG_NFSD_V4
__be32 nfsd_getxattr(struct svc_rqst *rqstp, struct svc_fh *fhp,
char *name, void **bufp, int *lenp);
@@ -90,32 +114,33 @@ __be32 nfsd_setxattr(struct svc_rqst *rqstp, struct svc_fh *fhp,
int nfsd_open_break_lease(struct inode *, int);
__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, umode_t,
int, struct file **);
-__be32 nfsd_open_verified(struct svc_rqst *, struct svc_fh *, umode_t,
- int, struct file **);
+int nfsd_open_verified(struct svc_fh *fhp, umode_t type, int may_flags,
+ struct file **filp);
__be32 nfsd_splice_read(struct svc_rqst *rqstp, struct svc_fh *fhp,
struct file *file, loff_t offset,
unsigned long *count,
u32 *eof);
-__be32 nfsd_readv(struct svc_rqst *rqstp, struct svc_fh *fhp,
- struct file *file, loff_t offset,
- struct kvec *vec, int vlen,
- unsigned long *count,
+__be32 nfsd_iter_read(struct svc_rqst *rqstp, struct svc_fh *fhp,
+ struct nfsd_file *nf, loff_t offset,
+ unsigned long *count, unsigned int base,
u32 *eof);
-__be32 nfsd_read(struct svc_rqst *, struct svc_fh *,
- loff_t, struct kvec *, int, unsigned long *,
+bool nfsd_read_splice_ok(struct svc_rqst *rqstp);
+__be32 nfsd_read(struct svc_rqst *rqstp, struct svc_fh *fhp,
+ loff_t offset, unsigned long *count,
u32 *eof);
-__be32 nfsd_write(struct svc_rqst *, struct svc_fh *, loff_t,
- struct kvec *, int, unsigned long *,
- int stable, __be32 *verf);
+__be32 nfsd_write(struct svc_rqst *rqstp, struct svc_fh *fhp,
+ loff_t offset, const struct xdr_buf *payload,
+ unsigned long *cnt, int stable, __be32 *verf);
__be32 nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp,
struct nfsd_file *nf, loff_t offset,
- struct kvec *vec, int vlen, unsigned long *cnt,
- int stable, __be32 *verf);
+ const struct xdr_buf *payload,
+ unsigned long *cnt, int stable, __be32 *verf);
__be32 nfsd_readlink(struct svc_rqst *, struct svc_fh *,
char *, int *);
__be32 nfsd_symlink(struct svc_rqst *, struct svc_fh *,
- char *name, int len, char *path,
- struct svc_fh *res);
+ char *name, int len, char *path,
+ struct nfsd_attrs *attrs,
+ struct svc_fh *res);
__be32 nfsd_link(struct svc_rqst *, struct svc_fh *,
char *, int, struct svc_fh *);
ssize_t nfsd_copy_file_range(struct file *, u64,
@@ -130,41 +155,9 @@ __be32 nfsd_readdir(struct svc_rqst *, struct svc_fh *,
__be32 nfsd_statfs(struct svc_rqst *, struct svc_fh *,
struct kstatfs *, int access);
-__be32 nfsd_permission(struct svc_rqst *, struct svc_export *,
- struct dentry *, int);
-
-static inline int fh_want_write(struct svc_fh *fh)
-{
- int ret;
-
- if (fh->fh_want_write)
- return 0;
- ret = mnt_want_write(fh->fh_export->ex_path.mnt);
- if (!ret)
- fh->fh_want_write = true;
- return ret;
-}
-
-static inline void fh_drop_write(struct svc_fh *fh)
-{
- if (fh->fh_want_write) {
- fh->fh_want_write = false;
- mnt_drop_write(fh->fh_export->ex_path.mnt);
- }
-}
+__be32 nfsd_permission(struct svc_cred *cred, struct svc_export *exp,
+ struct dentry *dentry, int acc);
-static inline __be32 fh_getattr(const struct svc_fh *fh, struct kstat *stat)
-{
- struct path p = {.mnt = fh->fh_export->ex_path.mnt,
- .dentry = fh->fh_dentry};
- return nfserrno(vfs_getattr(&p, stat, STATX_BASIC_STATS,
- AT_STATX_SYNC_AS_STAT));
-}
-
-static inline int nfsd_create_is_exclusive(int createmode)
-{
- return createmode == NFS3_CREATE_EXCLUSIVE
- || createmode == NFS4_CREATE_EXCLUSIVE4_1;
-}
+void nfsd_filp_close(struct file *fp);
#endif /* LINUX_NFSD_VFS_H */
generated by cgit (git 2.34.1) at 2025-12-25 18:37:38 +0000