diff options
Diffstat (limited to 'fs/xfs/xfs_dmapi.h')
| -rw-r--r-- | fs/xfs/xfs_dmapi.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/fs/xfs/xfs_dmapi.h b/fs/xfs/xfs_dmapi.h index 55ae3e67d24..55c17adaaa3 100644 --- a/fs/xfs/xfs_dmapi.h +++ b/fs/xfs/xfs_dmapi.h @@ -166,27 +166,32 @@ typedef enum { #define DM_FLAGS_NDELAY 0x001 /* return EAGAIN after dm_pending() */ #define DM_FLAGS_UNWANTED 0x002 /* event not in fsys dm_eventset_t */ #define DM_FLAGS_ISEM 0x004 /* thread holds i_sem */ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,4,21) -/* i_alloc_sem was added in 2.4.22-pre1 */ #define DM_FLAGS_IALLOCSEM_RD 0x010 /* thread holds i_alloc_sem rd */ #define DM_FLAGS_IALLOCSEM_WR 0x020 /* thread holds i_alloc_sem wr */ -#endif -#endif /* * Based on IO_ISDIRECT, decide which i_ flag is set. */ -#ifdef DM_FLAGS_IALLOCSEM_RD +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0) +#define DM_SEM_FLAG_RD(ioflags) (((ioflags) & IO_ISDIRECT) ? \ + DM_FLAGS_ISEM : 0) +#define DM_SEM_FLAG_WR (DM_FLAGS_IALLOCSEM_WR | DM_FLAGS_ISEM) +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) && \ + (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,22)) #define DM_SEM_FLAG_RD(ioflags) (((ioflags) & IO_ISDIRECT) ? \ DM_FLAGS_IALLOCSEM_RD : DM_FLAGS_ISEM) #define DM_SEM_FLAG_WR (DM_FLAGS_IALLOCSEM_WR | DM_FLAGS_ISEM) -#else +#endif + +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,21) #define DM_SEM_FLAG_RD(ioflags) (((ioflags) & IO_ISDIRECT) ? \ 0 : DM_FLAGS_ISEM) #define DM_SEM_FLAG_WR (DM_FLAGS_ISEM) #endif + /* * Macros to turn caller specified delay/block flags into * dm_send_xxxx_event flag DM_FLAGS_NDELAY. |