3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jeff Layton <jlay...@redhat.com>
commit 3dd4765fce04c0b4af1e0bc4c0b10f906f95fabc upstream.
...and ensure that we tear down the nfs_commit_data cache too when
unloading the module.
Cc: Bryan Schumaker <bjsch...@netapp.com>
Signed-off-by: Jeff Layton <jlay...@redhat.com>
Signed-off-by: Trond Myklebust <trond.mykleb...@netapp.com>
[bwh: Backported to 3.2: drop the nfs_cdata_cachep cleanup; it doesn't exist]
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
fs/nfs/write.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1742,12 +1742,12 @@ 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.
@@ -1770,6 +1770,12 @@ 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)
--
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