Re: [PATCH v3 22/49] sunrpc: dynamically allocate the sunrpc_cred shrinker
From: Qi Zheng <hidden>
Date: 2023-07-27 09:21:46
Also in:
dm-devel, dri-devel, kvm, linux-arm-msm, linux-bcache, linux-btrfs, linux-ext4, linux-f2fs-devel, linux-fsdevel, linux-mm, linux-nfs, linux-raid, linux-xfs, lkml, rcu, xen-devel
On 2023/7/27 16:04, Qi Zheng wrote:
quoted hunk ↗ jump to hunk
Use new APIs to dynamically allocate the sunrpc_cred shrinker. Signed-off-by: Qi Zheng <redacted> Reviewed-by: Muchun Song <redacted> --- net/sunrpc/auth.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-)diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c index 2f16f9d17966..6b898b1be6f5 100644 --- a/net/sunrpc/auth.c +++ b/net/sunrpc/auth.c@@ -861,11 +861,7 @@ rpcauth_uptodatecred(struct rpc_task *task) test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) != 0; } -static struct shrinker rpc_cred_shrinker = { - .count_objects = rpcauth_cache_shrink_count, - .scan_objects = rpcauth_cache_shrink_scan, - .seeks = DEFAULT_SEEKS, -}; +static struct shrinker *rpc_cred_shrinker; int __init rpcauth_init_module(void) {@@ -874,9 +870,16 @@ int __init rpcauth_init_module(void) err = rpc_init_authunix(); if (err < 0) goto out1; - err = register_shrinker(&rpc_cred_shrinker, "sunrpc_cred"); - if (err < 0) + rpc_cred_shrinker = shrinker_alloc(0, "sunrpc_cred"); + if (!rpc_cred_shrinker)
Here should set err to -ENOMEM, will fix.
quoted hunk ↗ jump to hunk
goto out2; + + rpc_cred_shrinker->count_objects = rpcauth_cache_shrink_count; + rpc_cred_shrinker->scan_objects = rpcauth_cache_shrink_scan; + rpc_cred_shrinker->seeks = DEFAULT_SEEKS; + + shrinker_register(rpc_cred_shrinker); + return 0; out2: rpc_destroy_authunix();@@ -887,5 +890,5 @@ int __init rpcauth_init_module(void) void rpcauth_remove_module(void) { rpc_destroy_authunix(); - unregister_shrinker(&rpc_cred_shrinker); + shrinker_free(rpc_cred_shrinker); }