diff options
| author | Jeff Layton <jlayton@redhat.com> | 2012-08-02 14:30:56 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-20 10:45:33 -0800 |
| commit | 478b97d4d7c5468e2ea21ad34d344a4dac5ff230 (patch) | |
| tree | 2bdfc8e1021fce68e702ba187cccca00c52038ca | |
| parent | 26fead641f8e2a5052aa3cfc88caf876f0e84941 (diff) | |
nfs: tear down caches in nfs_init_writepagecache when allocation fails
commit 3dd4765fce04c0b4af1e0bc4c0b10f906f95fabc upstream.
...and ensure that we tear down the nfs_commit_data cache too when
unloading the module.
Cc: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
[bwh: Backported to 3.2: drop the nfs_cdata_cachep cleanup; it doesn't exist]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Li Zefan <lizefan@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/nfs/write.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index c07462320f6b..da8fd94fcd93 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1751,12 +1751,12 @@ int __init nfs_init_writepagecache(void) nfs_wdata_mempool = mempool_create_slab_pool(MIN_POOL_WRITE, nfs_wdata_cachep); if (nfs_wdata_mempool == NULL) - return -ENOMEM; + goto out_destroy_write_cache; nfs_commit_mempool = mempool_create_slab_pool(MIN_POOL_COMMIT, nfs_wdata_cachep); if (nfs_commit_mempool == NULL) - return -ENOMEM; + goto out_destroy_write_mempool; /* * NFS congestion size, scale with available memory. @@ -1779,6 +1779,12 @@ int __init nfs_init_writepagecache(void) nfs_congestion_kb = 256*1024; return 0; + +out_destroy_write_mempool: + mempool_destroy(nfs_wdata_mempool); +out_destroy_write_cache: + kmem_cache_destroy(nfs_wdata_cachep); + return -ENOMEM; } void nfs_destroy_writepagecache(void) |