#include <errno.h>
#include <sys/stat.h>
#include <sys/vfs.h>
+#include <unistd.h>
+#include <fcntl.h>
#include <libcfs/list.h>
#include <portals/p30.h>
#endif
+#ifndef CURRENT_SECONDS
+# define CURRENT_SECONDS time(0)
+#endif
+
/* This is because lprocfs_status.h gets included here indirectly. It would
* be much better to just avoid lprocfs being included into liblustre entirely
* but that requires more header surgery than I can handle right now.
/* always adopt 2.5 definitions */
#define KERNEL_VERSION(a,b,c) ((a)*100+(b)*10+c)
-#define LINUX_VERSION_CODE (2*200+5*10+0)
+#define LINUX_VERSION_CODE KERNEL_VERSION(2,5,0)
static inline void inter_module_put(void *a)
{
#endif /* __LITTLE_ENDIAN */
/* bits ops */
-static __inline__ int set_bit(int nr,long * addr)
+
+/* a long can be more than 32 bits, so use BITS_PER_LONG
+ * to allow the compiler to adjust the bit shifting accordingly
+ */
+
+/* test if bit nr is set in bitmap addr; returns previous value of bit nr */
+static __inline__ int set_bit(int nr, long * addr)
{
- int mask, retval;
+ long mask;
- addr += nr >> 5;
- mask = 1 << (nr & 0x1f);
- retval = (mask & *addr) != 0;
- *addr |= mask;
- return retval;
+ addr += nr / BITS_PER_LONG;
+ mask = 1UL << (nr & (BITS_PER_LONG - 1));
+ nr = (mask & *addr) != 0;
+ *addr |= mask;
+ return nr;
}
+/* clear bit nr in bitmap addr; returns previous value of bit nr*/
static __inline__ int clear_bit(int nr, long * addr)
{
- int mask, retval;
+ long mask;
- addr += nr >> 5;
- mask = 1 << (nr & 0x1f);
- retval = (mask & *addr) != 0;
- *addr &= ~mask;
- return retval;
+ addr += nr / BITS_PER_LONG;
+ mask = 1UL << (nr & (BITS_PER_LONG - 1));
+ nr = (mask & *addr) != 0;
+ *addr &= ~mask;
+ return nr;
}
static __inline__ int test_bit(int nr, long * addr)
{
- int mask;
-
- addr += nr >> 5;
- mask = 1 << (nr & 0x1f);
- return ((mask & *addr) != 0);
+ return ((1UL << (nr & (BITS_PER_LONG - 1))) & ((addr)[nr / BITS_PER_LONG])) != 0;
}
static __inline__ int ext2_set_bit(int nr, void *addr)
/* random */
-static inline void get_random_bytes(void *ptr, int size)
-{
- int *p = (int *)ptr;
- int i, count = size/sizeof(int);
-
- for (i = 0; i< count; i++)
- *p++ = rand();
-}
+void get_random_bytes(void *ptr, int size);
/* memory */
/* struct page decl moved out from here into portals/include/libcfs/user-prim.h */
+/* 2.4 defines */
+#define PAGE_LIST_ENTRY list
+#define PAGE_LIST(page) ((page)->list)
+
#define kmap(page) (page)->addr
#define kunmap(a) do {} while (0)
int signal;
};
-struct fs_struct {
- int umask;
-};
-
struct task_struct {
- struct fs_struct *fs;
int state;
struct signal pending;
char comm[32];
int pid;
int fsuid;
int fsgid;
+ int max_groups;
+ int ngroups;
+ gid_t *groups;
__u32 cap_effective;
};
extern struct task_struct *current;
-
-#define in_group_p(a) 0 /* FIXME */
+int in_group_p(gid_t gid);
+static inline int capable(int cap)
+{
+ if (current->cap_effective & (1 << cap))
+ return 1;
+ else
+ return 0;
+}
#define set_current_state(foo) do { current->state = foo; } while (0)
}
#define lock_kernel() do {} while (0)
+#define unlock_kernel() do {} while (0)
#define daemonize(l) do {} while (0)
#define sigfillset(l) do {} while (0)
#define recalc_sigpending(l) do {} while (0)
#define unlikely(exp) (exp)
#endif
+/* FIXME sys/capability will finally included linux/fs.h thus
+ * cause numerous trouble on x86-64. as temporary solution for
+ * build broken at cary, we copy definition we need from capability.h
+ * FIXME
+ */
+struct _cap_struct;
+typedef struct _cap_struct *cap_t;
+typedef int cap_value_t;
+typedef enum {
+ CAP_EFFECTIVE=0,
+ CAP_PERMITTED=1,
+ CAP_INHERITABLE=2
+} cap_flag_t;
+typedef enum {
+ CAP_CLEAR=0,
+ CAP_SET=1
+} cap_flag_value_t;
+
+#define CAP_DAC_OVERRIDE 1
+#define CAP_DAC_READ_SEARCH 2
+#define CAP_FOWNER 3
+#define CAP_FSETID 4
+#define CAP_SYS_ADMIN 21
+
+cap_t cap_get_proc(void);
+int cap_get_flag(cap_t, cap_value_t, cap_flag_t, cap_flag_value_t *);
+
/* log related */
static inline int llog_init_commit_master(void) { return 0; }
static inline int llog_cleanup_commit_master(int force) { return 0; }
void liblustre_deregister_wait_callback(void *notifier);
int liblustre_wait_event(int timeout);
+/* flock related */
+struct nfs_lock_info {
+ __u32 state;
+ __u32 flags;
+ void *host;
+};
+
+struct file_lock {
+ struct file_lock *fl_next; /* singly linked list for this inode */
+ struct list_head fl_link; /* doubly linked list of all locks */
+ struct list_head fl_block; /* circular list of blocked processes */
+ void *fl_owner;
+ unsigned int fl_pid;
+ wait_queue_head_t fl_wait;
+ struct file *fl_file;
+ unsigned char fl_flags;
+ unsigned char fl_type;
+ loff_t fl_start;
+ loff_t fl_end;
+
+ void (*fl_notify)(struct file_lock *); /* unblock callback */
+ void (*fl_insert)(struct file_lock *); /* lock insertion callback */
+ void (*fl_remove)(struct file_lock *); /* lock removal callback */
+
+ void *fl_fasync; /* for lease break notifications */
+ unsigned long fl_break_time; /* for nonblocking lease breaks */
+
+ union {
+ struct nfs_lock_info nfs_fl;
+ } fl_u;
+};
+
+#ifndef OFFSET_MAX
+#define INT_LIMIT(x) (~((x)1 << (sizeof(x)*8 - 1)))
+#define OFFSET_MAX INT_LIMIT(loff_t)
+#endif
+
+/* XXX: defined in kernel */
+#define FL_POSIX 1
+#define FL_SLEEP 128
+
+/* quota */
+#define QUOTA_OK 0
+#define NO_QUOTA 1
+
+/* proc */
+#define proc_symlink(...) \
+({ \
+ void *result = NULL; \
+ result; \
+})
+
+#ifndef ENOTSUPP
+#define ENOTSUPP ENOTSUP
+#endif
+
#include <linux/obd_support.h>
#include <linux/lustre_idl.h>
#include <linux/lustre_lib.h>
git://git.whamcloud.com / fs / lustre-release.git / blobdiff