diff options
author | Dai Ngo <dai.ngo@oracle.com> | 2022-11-17 06:44:45 +0300 |
---|---|---|
committer | Chuck Lever <cel@kernel.org> | 2022-12-10 19:01:12 +0300 |
commit | a1049eb47f20b9eabf9afb218578fff16b4baca6 (patch) | |
tree | 6af4dea3c5ad209904e23a595a06ad8878b7caa3 /fs/nfsd | |
parent | 247c01ff5f8d66e62a404c91733be52fecb8b7f6 (diff) | |
download | linux-a1049eb47f20b9eabf9afb218578fff16b4baca6.tar.xz |
NFSD: refactoring courtesy_client_reaper to a generic low memory shrinker
Refactoring courtesy_client_reaper to generic low memory
shrinker so it can be used for other purposes.
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r-- | fs/nfsd/nfs4state.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 97badca3135e..00b3fa164fe8 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -4361,7 +4361,7 @@ out: } static unsigned long -nfsd_courtesy_client_count(struct shrinker *shrink, struct shrink_control *sc) +nfsd4_state_shrinker_count(struct shrinker *shrink, struct shrink_control *sc) { int cnt; struct nfsd_net *nn = container_of(shrink, @@ -4374,7 +4374,7 @@ nfsd_courtesy_client_count(struct shrinker *shrink, struct shrink_control *sc) } static unsigned long -nfsd_courtesy_client_scan(struct shrinker *shrink, struct shrink_control *sc) +nfsd4_state_shrinker_scan(struct shrinker *shrink, struct shrink_control *sc) { return SHRINK_STOP; } @@ -4401,8 +4401,8 @@ nfsd4_init_leases_net(struct nfsd_net *nn) nn->nfs4_max_clients = max_t(int, max_clients, NFS4_CLIENTS_PER_GB); atomic_set(&nn->nfsd_courtesy_clients, 0); - nn->nfsd_client_shrinker.scan_objects = nfsd_courtesy_client_scan; - nn->nfsd_client_shrinker.count_objects = nfsd_courtesy_client_count; + nn->nfsd_client_shrinker.scan_objects = nfsd4_state_shrinker_scan; + nn->nfsd_client_shrinker.count_objects = nfsd4_state_shrinker_count; nn->nfsd_client_shrinker.seeks = DEFAULT_SEEKS; return register_shrinker(&nn->nfsd_client_shrinker, "nfsd-client"); } @@ -6151,17 +6151,24 @@ laundromat_main(struct work_struct *laundry) } static void -courtesy_client_reaper(struct work_struct *reaper) +courtesy_client_reaper(struct nfsd_net *nn) { struct list_head reaplist; - struct delayed_work *dwork = to_delayed_work(reaper); - struct nfsd_net *nn = container_of(dwork, struct nfsd_net, - nfsd_shrinker_work); nfs4_get_courtesy_client_reaplist(nn, &reaplist); nfs4_process_client_reaplist(&reaplist); } +static void +nfsd4_state_shrinker_worker(struct work_struct *work) +{ + struct delayed_work *dwork = to_delayed_work(work); + struct nfsd_net *nn = container_of(dwork, struct nfsd_net, + nfsd_shrinker_work); + + courtesy_client_reaper(nn); +} + static inline __be32 nfs4_check_fh(struct svc_fh *fhp, struct nfs4_stid *stp) { if (!fh_match(&fhp->fh_handle, &stp->sc_file->fi_fhandle)) @@ -7985,7 +7992,7 @@ static int nfs4_state_create_net(struct net *net) INIT_LIST_HEAD(&nn->blocked_locks_lru); INIT_DELAYED_WORK(&nn->laundromat_work, laundromat_main); - INIT_DELAYED_WORK(&nn->nfsd_shrinker_work, courtesy_client_reaper); + INIT_DELAYED_WORK(&nn->nfsd_shrinker_work, nfsd4_state_shrinker_worker); get_net(net); return 0; |