diff options
| author | Brian Behlendorf <[email protected]> | 2010-08-26 11:49:16 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2010-08-31 13:41:58 -0700 |
| commit | c28b227942b421ebdc03c9df9a012642fb517223 (patch) | |
| tree | ec584e21d6fbc819353792d54a7dffb454029111 /module/zfs/zio.c | |
| parent | 00b46022c676e402e3f33ce93ee2983bbad2c46f (diff) | |
Add linux kernel module support
Setup linux kernel module support, this includes:
- zfs context for kernel/user
- kernel module build system integration
- kernel module macros
- kernel module symbol export
- kernel module options
Signed-off-by: Brian Behlendorf <[email protected]>
Diffstat (limited to 'module/zfs/zio.c')
| -rw-r--r-- | module/zfs/zio.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/module/zfs/zio.c b/module/zfs/zio.c index c7eb66103..70d3addf5 100644 --- a/module/zfs/zio.c +++ b/module/zfs/zio.c @@ -74,6 +74,7 @@ kmem_cache_t *zio_cache; kmem_cache_t *zio_link_cache; kmem_cache_t *zio_buf_cache[SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT]; kmem_cache_t *zio_data_buf_cache[SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT]; +int zio_bulk_flags = 0; #ifdef _KERNEL extern vmem_t *zio_alloc_arena; @@ -136,12 +137,14 @@ zio_init(void) (void) sprintf(name, "zio_buf_%lu", (ulong_t)size); zio_buf_cache[c] = kmem_cache_create(name, size, align, NULL, NULL, NULL, NULL, NULL, - size > zio_buf_debug_limit ? KMC_NODEBUG : 0); + (size > zio_buf_debug_limit ? KMC_NODEBUG : 0) | + zio_bulk_flags); (void) sprintf(name, "zio_data_buf_%lu", (ulong_t)size); zio_data_buf_cache[c] = kmem_cache_create(name, size, align, NULL, NULL, NULL, NULL, data_alloc_arena, - size > zio_buf_debug_limit ? KMC_NODEBUG : 0); + (size > zio_buf_debug_limit ? KMC_NODEBUG : 0) | + zio_bulk_flags); } } @@ -2975,3 +2978,19 @@ static zio_pipe_stage_t *zio_pipeline[] = { zio_checksum_verify, zio_done }; + +#if defined(_KERNEL) && defined(HAVE_SPL) +/* Fault injection */ +EXPORT_SYMBOL(zio_injection_enabled); +EXPORT_SYMBOL(zio_inject_fault); +EXPORT_SYMBOL(zio_inject_list_next); +EXPORT_SYMBOL(zio_clear_fault); +EXPORT_SYMBOL(zio_handle_fault_injection); +EXPORT_SYMBOL(zio_handle_device_injection); +EXPORT_SYMBOL(zio_handle_label_injection); +EXPORT_SYMBOL(zio_priority_table); +EXPORT_SYMBOL(zio_type_name); + +module_param(zio_bulk_flags, int, 0644); +MODULE_PARM_DESC(zio_bulk_flags, "Additional flags to pass to bulk buffers"); +#endif |