From: Richard Yao Date: Tue, 13 Aug 2019 13:46:12 +0000 (-0400) Subject: Drop KMC_NOEMERGENCY X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fccbd1d6e2e0a95511ad3e1c743b98bf31a6b6c9;p=zfs Drop KMC_NOEMERGENCY This is not implemented. If it were implemented, using it would risk deadlocks on pre-3.18 kernels. Lets just drop it. Reviewed-by: Brian Behlendorf Reviewed-by: Michael Niewöhner Signed-off-by: Richard Yao Closes #9119 --- diff --git a/include/spl/sys/kmem_cache.h b/include/spl/sys/kmem_cache.h index 8fa14f67e..bb413207d 100644 --- a/include/spl/sys/kmem_cache.h +++ b/include/spl/sys/kmem_cache.h @@ -45,7 +45,6 @@ enum { KMC_BIT_VMEM = 6, /* Use vmem cache */ KMC_BIT_SLAB = 7, /* Use Linux slab cache */ KMC_BIT_OFFSLAB = 8, /* Objects not on slab */ - KMC_BIT_NOEMERGENCY = 9, /* Disable emergency objects */ KMC_BIT_DEADLOCKED = 14, /* Deadlock detected */ KMC_BIT_GROWING = 15, /* Growing in progress */ KMC_BIT_REAPING = 16, /* Reaping in progress */ @@ -73,7 +72,6 @@ typedef enum kmem_cbrc { #define KMC_VMEM (1 << KMC_BIT_VMEM) #define KMC_SLAB (1 << KMC_BIT_SLAB) #define KMC_OFFSLAB (1 << KMC_BIT_OFFSLAB) -#define KMC_NOEMERGENCY (1 << KMC_BIT_NOEMERGENCY) #define KMC_DEADLOCKED (1 << KMC_BIT_DEADLOCKED) #define KMC_GROWING (1 << KMC_BIT_GROWING) #define KMC_REAPING (1 << KMC_BIT_REAPING) diff --git a/module/spl/spl-zlib.c b/module/spl/spl-zlib.c index 229e6a44b..62423343c 100644 --- a/module/spl/spl-zlib.c +++ b/module/spl/spl-zlib.c @@ -202,7 +202,7 @@ spl_zlib_init(void) zlib_workspace_cache = kmem_cache_create( "spl_zlib_workspace_cache", size, 0, NULL, NULL, NULL, NULL, NULL, - KMC_VMEM | KMC_NOEMERGENCY); + KMC_VMEM); if (!zlib_workspace_cache) return (1);