lustre/include/linux/lustre_lite.h

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  */
   4
   5 #ifndef _LINUX_LL_H
   6 #define _LINUX_LL_H
   7
   8 #ifndef _LL_H
   9 #error Do not #include this file directly. #include <lustre_lite.h> instead
  10 #endif
  11
  12 #ifdef __KERNEL__
  13
  14 #include <linux/version.h>
  15
  16 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
  17 #include <asm/statfs.h>
  18 #endif
  19
  20 #include <linux/fs.h>
  21 #include <linux/dcache.h>
  22 #include <linux/proc_fs.h>
  23
  24 #include <obd_class.h>
  25 #include <lustre_net.h>
  26 #include <lustre_mds.h>
  27 #include <lustre_ha.h>
  28
  29 #include <linux/rbtree.h>
  30 #include <linux/lustre_compat25.h>
  31 #include <linux/pagemap.h>
  32
  33 #ifdef HAVE_PERCPU_COUNTER
  34 #include <linux/percpu_counter.h>
  35
  36 typedef struct percpu_counter lcounter_t;
  37
  38 #define lcounter_read(counter)          (int)percpu_counter_read(counter)
  39 #define lcounter_inc(counter)           percpu_counter_inc(counter)
  40 #define lcounter_dec(counter)           percpu_counter_dec(counter)
  41
  42 #ifdef HAVE_PERCPU_2ND_ARG
  43 # define lcounter_init(counter)          percpu_counter_init(counter, 0)
  44 #else
  45 # define lcounter_init(counter)          percpu_counter_init(counter)
  46 #endif
  47
  48 #define lcounter_destroy(counter)       percpu_counter_destroy(counter)
  49
  50 #else
  51 typedef struct { atomic_t count; } lcounter_t;
  52
  53 #define lcounter_read(counter)          atomic_read(&counter->count)
  54 #define lcounter_inc(counter)           atomic_inc(&counter->count)
  55 #define lcounter_dec(counter)           atomic_dec(&counter->count)
  56 #define lcounter_init(counter)          atomic_set(&counter->count, 0)
  57 #define lcounter_destroy(counter)
  58
  59 #endif /* if defined HAVE_PERCPU_COUNTER */
  60
  61 /* lprocfs.c */
  62 enum {
  63          LPROC_LL_DIRTY_HITS = 0,
  64          LPROC_LL_DIRTY_MISSES,
  65          LPROC_LL_WB_WRITEPAGE,
  66          LPROC_LL_WB_PRESSURE,
  67          LPROC_LL_WB_OK,
  68          LPROC_LL_WB_FAIL,
  69          LPROC_LL_READ_BYTES,
  70          LPROC_LL_WRITE_BYTES,
  71          LPROC_LL_BRW_READ,
  72          LPROC_LL_BRW_WRITE,
  73          LPROC_LL_IOCTL,
  74          LPROC_LL_OPEN,
  75          LPROC_LL_RELEASE,
  76          LPROC_LL_MAP,
  77          LPROC_LL_LLSEEK,
  78          LPROC_LL_FSYNC,
  79          LPROC_LL_SETATTR,
  80          LPROC_LL_TRUNC,
  81          LPROC_LL_LOCKLESS_TRUNC,
  82          LPROC_LL_FLOCK,
  83
  84 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
  85          LPROC_LL_GETATTR,
  86 #else
  87          LPROC_LL_REVALIDATE,
  88 #endif
  89          LPROC_LL_STAFS,
  90          LPROC_LL_ALLOC_INODE,
  91          LPROC_LL_SETXATTR,
  92          LPROC_LL_GETXATTR,
  93          LPROC_LL_LISTXATTR,
  94          LPROC_LL_REMOVEXATTR,
  95          LPROC_LL_INODE_PERM,
  96          LPROC_LL_DIRECT_READ,
  97          LPROC_LL_DIRECT_WRITE,
  98          LPROC_LL_LOCKLESS_READ,
  99          LPROC_LL_LOCKLESS_WRITE,
 100          LPROC_LL_FILE_OPCODES
 101 };
 102
 103 #else
 104 #include <lustre/lustre_idl.h>
 105 #endif /* __KERNEL__ */
 106
 107 #endif