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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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/* khandle stuff ***********************************************************/
/* * The 2.9 core will put 64 bit handles in here like this: * 1234 0000 0000 5678 * The 3.0 and beyond cores will put 128 bit handles in here like this: * 1234 5678 90AB CDEF * The kernel module will always use the first four bytes and * the last four bytes as an inum. */struct orangefs_khandle { unsigned char u[16];} __aligned(8);
/* * kernel version of an object ref. */struct orangefs_object_kref { struct orangefs_khandle khandle; __s32 fs_id; __s32 __pad1;};
/* * compare 2 khandles assumes little endian thus from large address to * small address */static inline int ORANGEFS_khandle_cmp(const struct orangefs_khandle *kh1, const struct orangefs_khandle *kh2){ int i;
for (i = 15; i >= 0; i--) { if (kh1->u[i] > kh2->u[i]) return 1; if (kh1->u[i] < kh2->u[i]) return -1; }
return 0;}
static inline void ORANGEFS_khandle_to(const struct orangefs_khandle *kh, void *p, int size){
memcpy(p, kh->u, 16); memset(p + 16, 0, size - 16);
}
static inline void ORANGEFS_khandle_from(struct orangefs_khandle *kh, void *p, int size){ memset(kh, 0, 16); memcpy(kh->u, p, 16);
}
/* pvfs2-types.h ************************************************************/
#define ORANGEFS_SUPER_MAGIC 0x20030528
/* * ORANGEFS error codes are a signed 32-bit integer. Error codes are negative, but * the sign is stripped before decoding. */
/* Bit 31 is not used since it is the sign. */
/* * Bit 30 specifies that this is a ORANGEFS error. A ORANGEFS error is either an * encoded errno value or a ORANGEFS protocol error. */#define ORANGEFS_ERROR_BIT (1 << 30)
/* * Bit 29 specifies that this is a ORANGEFS protocol error and not an encoded * errno value. */#define ORANGEFS_NON_ERRNO_ERROR_BIT (1 << 29)
/* * Bits 9, 8, and 7 specify the error class, which encodes the section of * server code the error originated in for logging purposes. It is not used * in the kernel except to be masked out. */#define ORANGEFS_ERROR_CLASS_BITS 0x380
/* Bits 6 - 0 are reserved for the actual error code. */#define ORANGEFS_ERROR_NUMBER_BITS 0x7f
/* Encoded errno values decoded by PINT_errno_mapping in orangefs-utils.c. */
/* Our own ORANGEFS protocol error codes. */#define ORANGEFS_ECANCEL (1|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)#define ORANGEFS_EDEVINIT (2|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)#define ORANGEFS_EDETAIL (3|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)#define ORANGEFS_EHOSTNTFD (4|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)#define ORANGEFS_EADDRNTFD (5|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)#define ORANGEFS_ENORECVR (6|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)#define ORANGEFS_ETRYAGAIN (7|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)#define ORANGEFS_ENOTPVFS (8|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)#define ORANGEFS_ESECURITY (9|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT)
/* permission bits */#define ORANGEFS_O_EXECUTE (1 << 0)#define ORANGEFS_O_WRITE (1 << 1)#define ORANGEFS_O_READ (1 << 2)#define ORANGEFS_G_EXECUTE (1 << 3)#define ORANGEFS_G_WRITE (1 << 4)#define ORANGEFS_G_READ (1 << 5)#define ORANGEFS_U_EXECUTE (1 << 6)#define ORANGEFS_U_WRITE (1 << 7)#define ORANGEFS_U_READ (1 << 8)/* no ORANGEFS_U_VTX (sticky bit) */#define ORANGEFS_G_SGID (1 << 10)#define ORANGEFS_U_SUID (1 << 11)
#define ORANGEFS_ITERATE_START 2147483646#define ORANGEFS_ITERATE_END 2147483645#define ORANGEFS_IMMUTABLE_FL FS_IMMUTABLE_FL#define ORANGEFS_APPEND_FL FS_APPEND_FL#define ORANGEFS_NOATIME_FL FS_NOATIME_FL#define ORANGEFS_MIRROR_FL 0x01000000ULL#define ORANGEFS_FS_ID_NULL ((__s32)0)#define ORANGEFS_ATTR_SYS_UID (1 << 0)#define ORANGEFS_ATTR_SYS_GID (1 << 1)#define ORANGEFS_ATTR_SYS_PERM (1 << 2)#define ORANGEFS_ATTR_SYS_ATIME (1 << 3)#define ORANGEFS_ATTR_SYS_CTIME (1 << 4)#define ORANGEFS_ATTR_SYS_MTIME (1 << 5)#define ORANGEFS_ATTR_SYS_TYPE (1 << 6)#define ORANGEFS_ATTR_SYS_ATIME_SET (1 << 7)#define ORANGEFS_ATTR_SYS_MTIME_SET (1 << 8)#define ORANGEFS_ATTR_SYS_SIZE (1 << 20)#define ORANGEFS_ATTR_SYS_LNK_TARGET (1 << 24)#define ORANGEFS_ATTR_SYS_DFILE_COUNT (1 << 25)#define ORANGEFS_ATTR_SYS_DIRENT_COUNT (1 << 26)#define ORANGEFS_ATTR_SYS_BLKSIZE (1 << 28)#define ORANGEFS_ATTR_SYS_MIRROR_COPIES_COUNT (1 << 29)#define ORANGEFS_ATTR_SYS_COMMON_ALL \ (ORANGEFS_ATTR_SYS_UID | \ ORANGEFS_ATTR_SYS_GID | \ ORANGEFS_ATTR_SYS_PERM | \ ORANGEFS_ATTR_SYS_ATIME | \ ORANGEFS_ATTR_SYS_CTIME | \ ORANGEFS_ATTR_SYS_MTIME | \ ORANGEFS_ATTR_SYS_TYPE)
#define ORANGEFS_ATTR_SYS_ALL_SETABLE \(ORANGEFS_ATTR_SYS_COMMON_ALL-ORANGEFS_ATTR_SYS_TYPE)
#define ORANGEFS_ATTR_SYS_ALL_NOHINT \ (ORANGEFS_ATTR_SYS_COMMON_ALL | \ ORANGEFS_ATTR_SYS_SIZE | \ ORANGEFS_ATTR_SYS_LNK_TARGET | \ ORANGEFS_ATTR_SYS_DFILE_COUNT | \ ORANGEFS_ATTR_SYS_MIRROR_COPIES_COUNT | \ ORANGEFS_ATTR_SYS_DIRENT_COUNT | \ ORANGEFS_ATTR_SYS_BLKSIZE)
#define ORANGEFS_XATTR_REPLACE 0x2#define ORANGEFS_XATTR_CREATE 0x1#define ORANGEFS_MAX_SERVER_ADDR_LEN 256#define ORANGEFS_NAME_MAX 256/* * max extended attribute name len as imposed by the VFS and exploited for the * upcall request types. * NOTE: Please retain them as multiples of 8 even if you wish to change them * This is *NECESSARY* for supporting 32 bit user-space binaries on a 64-bit * kernel. Due to implementation within DBPF, this really needs to be * ORANGEFS_NAME_MAX, which it was the same value as, but no reason to let it * break if that changes in the future. */#define ORANGEFS_MAX_XATTR_NAMELEN ORANGEFS_NAME_MAX /* Not the same as * XATTR_NAME_MAX defined * by <linux/xattr.h> */#define ORANGEFS_MAX_XATTR_VALUELEN 8192 /* Not the same as XATTR_SIZE_MAX * defined by <linux/xattr.h> */#define ORANGEFS_MAX_XATTR_LISTLEN 16 /* Not the same as XATTR_LIST_MAX * defined by <linux/xattr.h> *//* * ORANGEFS I/O operation types, used in both system and server interfaces. */enum ORANGEFS_io_type { ORANGEFS_IO_READ = 1, ORANGEFS_IO_WRITE = 2};
/* * If this enum is modified the server parameters related to the precreate pool * batch and low threshold sizes may need to be modified to reflect this * change. */enum orangefs_ds_type { ORANGEFS_TYPE_NONE = 0, ORANGEFS_TYPE_METAFILE = (1 << 0), ORANGEFS_TYPE_DATAFILE = (1 << 1), ORANGEFS_TYPE_DIRECTORY = (1 << 2), ORANGEFS_TYPE_SYMLINK = (1 << 3), ORANGEFS_TYPE_DIRDATA = (1 << 4), ORANGEFS_TYPE_INTERNAL = (1 << 5) /* for the server's private use */};
/* This structure is used by the VFS-client interaction alone */struct ORANGEFS_keyval_pair { char key[ORANGEFS_MAX_XATTR_NAMELEN]; __s32 key_sz; /* __s32 for portable, fixed-size structures */ __s32 val_sz; char val[ORANGEFS_MAX_XATTR_VALUELEN];};
/* pvfs2-sysint.h ***********************************************************//* Describes attributes for a file, directory, or symlink. */struct ORANGEFS_sys_attr_s { __u32 owner; __u32 group; __u32 perms; __u64 atime; __u64 mtime; __u64 ctime; __s64 size;
/* NOTE: caller must free if valid */ char *link_target;
/* Changed to __s32 so that size of structure does not change */ __s32 dfile_count;
/* Changed to __s32 so that size of structure does not change */ __s32 distr_dir_servers_initial;
/* Changed to __s32 so that size of structure does not change */ __s32 distr_dir_servers_max;
/* Changed to __s32 so that size of structure does not change */ __s32 distr_dir_split_size;
__u32 mirror_copies_count;
/* NOTE: caller must free if valid */ char *dist_name;
/* NOTE: caller must free if valid */ char *dist_params;
__s64 dirent_count; enum orangefs_ds_type objtype; __u64 flags; __u32 mask; __s64 blksize;};
#define ORANGEFS_LOOKUP_LINK_NO_FOLLOW 0
/* pint-dev.h ***************************************************************/
/* parameter structure used in ORANGEFS_DEV_DEBUG ioctl command */struct dev_mask_info_s { enum { KERNEL_MASK, CLIENT_MASK, } mask_type; __u64 mask_value;};
struct dev_mask2_info_s { __u64 mask1_value; __u64 mask2_value;};
/* pvfs2-util.h *************************************************************/__s32 ORANGEFS_util_translate_mode(int mode);
/* pvfs2-debug.h ************************************************************/#include "orangefs-debug.h"
/* pvfs2-internal.h *********************************************************/#define llu(x) (unsigned long long)(x)#define lld(x) (long long)(x)
/* pint-dev-shared.h ********************************************************/#define ORANGEFS_DEV_MAGIC 'k'
#define ORANGEFS_READDIR_DEFAULT_DESC_COUNT 5
#define DEV_GET_MAGIC 0x1#define DEV_GET_MAX_UPSIZE 0x2#define DEV_GET_MAX_DOWNSIZE 0x3#define DEV_MAP 0x4#define DEV_REMOUNT_ALL 0x5#define DEV_DEBUG 0x6#define DEV_UPSTREAM 0x7#define DEV_CLIENT_MASK 0x8#define DEV_CLIENT_STRING 0x9#define DEV_MAX_NR 0xa
/* supported ioctls, codes are with respect to user-space */enum { ORANGEFS_DEV_GET_MAGIC = _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAGIC, __s32), ORANGEFS_DEV_GET_MAX_UPSIZE = _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAX_UPSIZE, __s32), ORANGEFS_DEV_GET_MAX_DOWNSIZE = _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAX_DOWNSIZE, __s32), ORANGEFS_DEV_MAP = _IO(ORANGEFS_DEV_MAGIC, DEV_MAP), ORANGEFS_DEV_REMOUNT_ALL = _IO(ORANGEFS_DEV_MAGIC, DEV_REMOUNT_ALL), ORANGEFS_DEV_DEBUG = _IOR(ORANGEFS_DEV_MAGIC, DEV_DEBUG, __s32), ORANGEFS_DEV_UPSTREAM = _IOW(ORANGEFS_DEV_MAGIC, DEV_UPSTREAM, int), ORANGEFS_DEV_CLIENT_MASK = _IOW(ORANGEFS_DEV_MAGIC, DEV_CLIENT_MASK, struct dev_mask2_info_s), ORANGEFS_DEV_CLIENT_STRING = _IOW(ORANGEFS_DEV_MAGIC, DEV_CLIENT_STRING, char *), ORANGEFS_DEV_MAXNR = DEV_MAX_NR,};
/* * version number for use in communicating between kernel space and user * space. Zero signifies the upstream version of the kernel module. */#define ORANGEFS_KERNEL_PROTO_VERSION 0#define ORANGEFS_MINIMUM_USERSPACE_VERSION 20903
/* * describes memory regions to map in the ORANGEFS_DEV_MAP ioctl. * NOTE: See devorangefs-req.c for 32 bit compat structure. * Since this structure has a variable-sized layout that is different * on 32 and 64 bit platforms, we need to normalize to a 64 bit layout * on such systems before servicing ioctl calls from user-space binaries * that may be 32 bit! */struct ORANGEFS_dev_map_desc { void __user *ptr; __s32 total_size; __s32 size; __s32 count;};
/* gossip.h *****************************************************************/
extern __u64 orangefs_gossip_debug_mask;
/* try to avoid function call overhead by checking masks in macro */#define gossip_debug(mask, fmt, ...) \do { \ if (orangefs_gossip_debug_mask & (mask)) \ printk(KERN_DEBUG fmt, ##__VA_ARGS__); \} while (0)
#define gossip_err pr_err