diff options
Diffstat (limited to 'source3/include/vfs.h')
-rw-r--r-- | source3/include/vfs.h | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/source3/include/vfs.h b/source3/include/vfs.h index be3cd91520..b0da7e81a5 100644 --- a/source3/include/vfs.h +++ b/source3/include/vfs.h @@ -70,7 +70,6 @@ * timestamp resolition. JRA. */ /* Changed to version21 to add chflags operation -- jpeach */ /* Changed to version22 to add lchown operation -- jra */ -/* Additional change: add operations for offline files and remote storage volume abstraction -- ab*/ /* Leave at 22 - not yet released. But change set_nt_acl to return an NTSTATUS. jra. */ /* Leave at 22 - not yet released. Add file_id_create operation. --metze */ /* Leave at 22 - not yet released. Change all BOOL parameters (int) to bool. jra. */ @@ -104,8 +103,7 @@ /* Leave at 22 - not yet released. Remove parameter fd from write. - obnox */ /* Leave at 22 - not yet released. Remove parameter fromfd from sendfile. - obnox */ /* Leave at 22 - not yet released. Remove parameter fromfd from recvfile. - obnox */ - - +/* Leave at 22 - not yet released. Additional change: add operations for offline files and remote storage volume abstraction -- ab*/ #define SMB_VFS_INTERFACE_VERSION 22 @@ -266,7 +264,7 @@ typedef enum _vfs_op_type { SMB_VFS_OP_IS_REMOTESTORAGE, /* This should always be last enum value */ - + SMB_VFS_OP_LAST } vfs_op_type; @@ -276,7 +274,7 @@ typedef enum _vfs_op_type { struct vfs_ops { struct vfs_fn_pointers { /* Disk operations */ - + int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user); void (*disconnect)(struct vfs_handle_struct *handle); SMB_BIG_UINT (*disk_free)(struct vfs_handle_struct *handle, const char *path, bool small_query, SMB_BIG_UINT *bsize, @@ -285,9 +283,9 @@ struct vfs_ops { int (*set_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt); int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels); int (*statvfs)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf); - + /* Directory operations */ - + SMB_STRUCT_DIR *(*opendir)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes); SMB_STRUCT_DIRENT *(*readdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp); void (*seekdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset); @@ -296,9 +294,9 @@ struct vfs_ops { int (*mkdir)(struct vfs_handle_struct *handle, const char *path, mode_t mode); int (*rmdir)(struct vfs_handle_struct *handle, const char *path); int (*closedir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir); - + /* File operations */ - + int (*open)(struct vfs_handle_struct *handle, const char *fname, files_struct *fsp, int flags, mode_t mode); int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd); ssize_t (*read)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n); @@ -343,7 +341,7 @@ struct vfs_ops { struct file_id (*file_id_create)(struct vfs_handle_struct *handle, SMB_DEV_T dev, SMB_INO_T inode); /* NT ACL operations. */ - + NTSTATUS (*fget_nt_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, uint32 security_info, @@ -361,12 +359,12 @@ struct vfs_ops { const char *name, uint32 security_info_sent, struct security_descriptor *psd); - + /* POSIX ACL operations. */ - + int (*chmod_acl)(struct vfs_handle_struct *handle, const char *name, mode_t mode); int (*fchmod_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode); - + int (*sys_acl_get_entry)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p); int (*sys_acl_get_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p); int (*sys_acl_get_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p); @@ -413,11 +411,11 @@ struct vfs_ops { int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb); int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout); bool (*aio_force)(struct vfs_handle_struct *handle, struct files_struct *fsp); - + /* offline operations */ - int (*is_offline)(struct vfs_handle_struct *handle, struct connection_struct *conn, const char *path, SMB_STRUCT_STAT *sbuf, bool *offline); - int (*set_offline)(struct vfs_handle_struct *handle, struct connection_struct *conn, const char *path); - bool (*is_remotestorage)(struct vfs_handle_struct *handle, struct connection_struct *conn, const char *path); + int (*is_offline)(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf, bool *offline); + int (*set_offline)(struct vfs_handle_struct *handle, const char *path); + bool (*is_remotestorage)(struct vfs_handle_struct *handle, const char *path); } ops; @@ -540,7 +538,7 @@ struct vfs_ops { struct vfs_handle_struct *aio_fsync; struct vfs_handle_struct *aio_suspend; struct vfs_handle_struct *aio_force; - + /* offline operations */ struct vfs_handle_struct *is_offline; struct vfs_handle_struct *set_offline; @@ -550,22 +548,22 @@ struct vfs_ops { /* Possible VFS operation layers (per-operation) - + These values are used by VFS subsystem when building vfs_ops for connection from multiple VFS modules. Internally, Samba differentiates only opaque and transparent layers at this process. Other types are used for providing better diagnosing facilities. - + Most modules will provide transparent layers. Opaque layer is for modules which implement actual file system calls (like DB-based VFS). For example, default POSIX VFS which is built in into Samba is an opaque VFS module. - + Other layer types (audit, splitter, scanner) were designed to provide different degree of transparency and for diagnosing VFS module behaviour. - + Each module can implement several layers at the same time provided that only one layer is used per each operation. - + */ typedef enum _vfs_op_layer { @@ -584,7 +582,7 @@ typedef enum _vfs_op_layer { /* VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem, - which describes all operations this module is willing to intercept. + which describes all operations this module is willing to intercept. VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs using this information. */ @@ -609,12 +607,12 @@ typedef struct vfs_handle_struct { typedef struct vfs_statvfs_struct { /* For undefined recommended transfer size return -1 in that field */ uint32 OptimalTransferSize; /* bsize on some os, iosize on other os */ - uint32 BlockSize; + uint32 BlockSize; /* The next three fields are in terms of the block size. (above). If block size is unknown, 4096 would be a - reasonable block size for a server to report. + reasonable block size for a server to report. Note that returning the blocks/blocksavail removes need to make a second call (to QFSInfo level 0x103 to get this info. UserBlockAvail is typically less than or equal to BlocksAvail, |