diff options
Diffstat (limited to 'fs/nfsd/vfs.h')
| -rw-r--r-- | fs/nfsd/vfs.h | 84 |
1 files changed, 56 insertions, 28 deletions
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h index 4b1de0a9ea7..91b6ae3f658 100644 --- a/fs/nfsd/vfs.h +++ b/fs/nfsd/vfs.h @@ -6,20 +6,29 @@ #define LINUX_NFSD_VFS_H #include "nfsfh.h" +#include "nfsd.h" /* * Flags for nfsd_permission */ -#define NFSD_MAY_NOP 0 -#define NFSD_MAY_EXEC 1 /* == MAY_EXEC */ -#define NFSD_MAY_WRITE 2 /* == MAY_WRITE */ -#define NFSD_MAY_READ 4 /* == MAY_READ */ -#define NFSD_MAY_SATTR 8 -#define NFSD_MAY_TRUNC 16 -#define NFSD_MAY_LOCK 32 -#define NFSD_MAY_OWNER_OVERRIDE 64 -#define NFSD_MAY_LOCAL_ACCESS 128 /* IRIX doing local access check on device special file*/ -#define NFSD_MAY_BYPASS_GSS_ON_ROOT 256 +#define NFSD_MAY_NOP 0 +#define NFSD_MAY_EXEC 0x001 /* == MAY_EXEC */ +#define NFSD_MAY_WRITE 0x002 /* == MAY_WRITE */ +#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_MASK 0x03f + +/* extra hints to permission and open routines: */ +#define NFSD_MAY_OWNER_OVERRIDE 0x040 +#define NFSD_MAY_LOCAL_ACCESS 0x080 /* for device special files */ +#define NFSD_MAY_BYPASS_GSS_ON_ROOT 0x100 +#define NFSD_MAY_NOT_BREAK_LEASE 0x200 +#define NFSD_MAY_BYPASS_GSS 0x400 +#define NFSD_MAY_READ_IF_EXEC 0x800 + +#define NFSD_MAY_64BIT_COOKIE 0x1000 /* 64 bit readdir cookies for >= NFSv3 */ #define NFSD_MAY_CREATE (NFSD_MAY_EXEC|NFSD_MAY_WRITE) #define NFSD_MAY_REMOVE (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC) @@ -30,7 +39,6 @@ typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int); /* nfsd/vfs.c */ -int fh_lock_parent(struct svc_fh *, struct dentry *); int nfsd_racache_init(int); void nfsd_racache_shutdown(void); int nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp, @@ -44,26 +52,33 @@ __be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *, struct iattr *, int, time_t); int nfsd_mountpoint(struct dentry *, struct svc_export *); #ifdef CONFIG_NFSD_V4 -__be32 nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *, - struct nfs4_acl *); -int nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **); +__be32 nfsd4_set_nfs4_label(struct svc_rqst *, struct svc_fh *, + struct xdr_netobj *); #endif /* CONFIG_NFSD_V4 */ __be32 nfsd_create(struct svc_rqst *, struct svc_fh *, char *name, int len, struct iattr *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 nfsd_create_v3(struct svc_rqst *, struct svc_fh *, +__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, int *truncp, int *created); + u32 *verifier, bool *truncp, bool *created); __be32 nfsd_commit(struct svc_rqst *, struct svc_fh *, loff_t, unsigned long); #endif /* CONFIG_NFSD_V3 */ -__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, int, +__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, umode_t, int, struct file **); void nfsd_close(struct file *); -__be32 nfsd_read(struct svc_rqst *, struct svc_fh *, struct file *, +struct raparms; +__be32 nfsd_get_tmp_read_open(struct svc_rqst *, struct svc_fh *, + struct file **, struct raparms **); +void nfsd_put_tmp_read_open(struct file *, struct raparms *); +int nfsd_splice_read(struct svc_rqst *, + struct file *, loff_t, unsigned long *); +int nfsd_readv(struct file *, loff_t, struct kvec *, int, + unsigned long *); +__be32 nfsd_read(struct svc_rqst *, struct svc_fh *, loff_t, struct kvec *, int, unsigned long *); __be32 nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *, loff_t, struct kvec *,int, unsigned long *, int *); @@ -77,25 +92,38 @@ __be32 nfsd_link(struct svc_rqst *, struct svc_fh *, __be32 nfsd_rename(struct svc_rqst *, struct svc_fh *, char *, int, struct svc_fh *, char *, int); -__be32 nfsd_remove(struct svc_rqst *, - struct svc_fh *, char *, int); __be32 nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type, char *name, int len); -int nfsd_truncate(struct svc_rqst *, struct svc_fh *, - unsigned long size); __be32 nfsd_readdir(struct svc_rqst *, struct svc_fh *, loff_t *, struct readdir_cd *, filldir_t); __be32 nfsd_statfs(struct svc_rqst *, struct svc_fh *, struct kstatfs *, int access); -int nfsd_notify_change(struct inode *, struct iattr *); __be32 nfsd_permission(struct svc_rqst *, struct svc_export *, struct dentry *, int); -int nfsd_sync_dir(struct dentry *dp); -#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) -struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int); -int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *); -#endif +static inline int fh_want_write(struct svc_fh *fh) +{ + int ret = mnt_want_write(fh->fh_export->ex_path.mnt); + + if (!ret) + fh->fh_want_write = 1; + return ret; +} + +static inline void fh_drop_write(struct svc_fh *fh) +{ + if (fh->fh_want_write) { + fh->fh_want_write = 0; + mnt_drop_write(fh->fh_export->ex_path.mnt); + } +} + +static inline __be32 fh_getattr(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)); +} #endif /* LINUX_NFSD_VFS_H */ |