diff options
| author | John Gallagher <[email protected]> | 2018-06-15 15:10:42 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2018-06-15 15:10:42 -0700 |
| commit | 917f475fba03ceb4e11c7aa35aff09c47a6c596e (patch) | |
| tree | 92ce7d3981d5ca93e1bbcb42665e9ecc3e1ed1ed /module/zfs | |
| parent | 7b98f0d91f09df90218322df5cf1b8ba7928972e (diff) | |
Add tunables for channel programs
This patch adds tunables for modifying the maximum memory limit and
maximum instruction limit that can be specified when running a channel
program.
Reviewed-by: Matthew Ahrens <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]
Reviewed-by: Sara Hartse <[email protected]>
Signed-off-by: John Gallagher <[email protected]>
External-issue: LX-1085
Closes #7618
Diffstat (limited to 'module/zfs')
| -rw-r--r-- | module/zfs/zcp.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/module/zfs/zcp.c b/module/zfs/zcp.c index e7194344b..dad09da50 100644 --- a/module/zfs/zcp.c +++ b/module/zfs/zcp.c @@ -14,7 +14,7 @@ */ /* - * Copyright (c) 2016, 2017 by Delphix. All rights reserved. + * Copyright (c) 2016, 2018 by Delphix. All rights reserved. */ /* @@ -108,8 +108,8 @@ #define ZCP_NVLIST_MAX_DEPTH 20 uint64_t zfs_lua_check_instrlimit_interval = 100; -uint64_t zfs_lua_max_instrlimit = ZCP_MAX_INSTRLIMIT; -uint64_t zfs_lua_max_memlimit = ZCP_MAX_MEMLIMIT; +unsigned long zfs_lua_max_instrlimit = ZCP_MAX_INSTRLIMIT; +unsigned long zfs_lua_max_memlimit = ZCP_MAX_MEMLIMIT; /* * Forward declarations for mutually recursive functions @@ -1417,3 +1417,15 @@ zcp_parse_args(lua_State *state, const char *fname, const zcp_arg_t *pargs, zcp_parse_pos_args(state, fname, pargs, kwargs); } } + +#if defined(_KERNEL) +/* BEGIN CSTYLED */ +module_param(zfs_lua_max_instrlimit, ulong, 0644); +MODULE_PARM_DESC(zfs_lua_max_instrlimit, + "Max instruction limit that can be specified for a channel program"); + +module_param(zfs_lua_max_memlimit, ulong, 0644); +MODULE_PARM_DESC(zfs_lua_max_memlimit, + "Max memory limit that can be specified for a channel program"); +/* END CSTYLED */ +#endif |