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Fix stack inline

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Decrease stack usage for various call paths by forcing certain
functions to be inlined.  By inlining the functions the overhead
of a new stack frame is removed at the cost of increased code size.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2010-08-26 10:58:00 -07:00
parent 161ce7ce3c
commit bf701a83c5
3 changed files with 7 additions and 4 deletions
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module/zfs/spa.c
+3 -2
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@@ -113,7 +113,7 @@ const zio_taskq_info_t zio_taskqs[ZIO_TYPES][ZIO_TASKQ_TYPES] = {
static dsl_syncfunc_t spa_sync_props;
static boolean_t spa_has_active_shared_spare(spa_t *spa);
static int spa_load_impl(spa_t *spa, uint64_t, nvlist_t *config,
static inline int spa_load_impl(spa_t *spa, uint64_t, nvlist_t *config,
spa_load_state_t state, spa_import_type_t type, boolean_t mosconfig,
char **ereport);
static void spa_vdev_resilver_done(spa_t *spa);
@@ -1790,7 +1790,8 @@ spa_load(spa_t *spa, spa_load_state_t state, spa_import_type_t type,
* Load an existing storage pool, using the pool's builtin spa_config as a
* source of configuration information.
*/
static int
__attribute__((always_inline))
static inline int
spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
spa_load_state_t state, spa_import_type_t type, boolean_t mosconfig,
char **ereport)