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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-12-14 14:36:36 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-12-14 14:36:36 -0500
commiteed9935745cc44071043ec8c4cde64c820b5c601 (patch)
treecdbfb893753acd43fddee09a5d34b16e2422cd34 /fs
parent48d7a57693af660666c4afdc54c09b2f9655e260 (diff)
downloadleg-kernel-eed9935745cc44071043ec8c4cde64c820b5c601.tar.gz
NFS: Ensure that we always drop inodes that have been marked as stale
There is no need to cache stale inodes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/inode.c6
-rw-r--r--fs/nfs/internal.h1
-rw-r--r--fs/nfs/nfs4super.c1
-rw-r--r--fs/nfs/super.c1
4 files changed, 9 insertions, 0 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 117183b1ee09..2faae14d89f4 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -107,6 +107,12 @@ u64 nfs_compat_user_ino64(u64 fileid)
return ino;
}
+int nfs_drop_inode(struct inode *inode)
+{
+ return NFS_STALE(inode) || generic_drop_inode(inode);
+}
+EXPORT_SYMBOL_GPL(nfs_drop_inode);
+
void nfs_clear_inode(struct inode *inode)
{
/*
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 89c1ee4a432c..f0e6c7df1a07 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -296,6 +296,7 @@ extern struct workqueue_struct *nfsiod_workqueue;
extern struct inode *nfs_alloc_inode(struct super_block *sb);
extern void nfs_destroy_inode(struct inode *);
extern int nfs_write_inode(struct inode *, struct writeback_control *);
+extern int nfs_drop_inode(struct inode *);
extern void nfs_clear_inode(struct inode *);
extern void nfs_evict_inode(struct inode *);
void nfs_zap_acl_cache(struct inode *inode);
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index bd61221ad2c5..84d2e9e2f313 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -51,6 +51,7 @@ static const struct super_operations nfs4_sops = {
.alloc_inode = nfs_alloc_inode,
.destroy_inode = nfs_destroy_inode,
.write_inode = nfs4_write_inode,
+ .drop_inode = nfs_drop_inode,
.put_super = nfs_put_super,
.statfs = nfs_statfs,
.evict_inode = nfs4_evict_inode,
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index e12cea4b36a5..aa5315bb3666 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -308,6 +308,7 @@ const struct super_operations nfs_sops = {
.alloc_inode = nfs_alloc_inode,
.destroy_inode = nfs_destroy_inode,
.write_inode = nfs_write_inode,
+ .drop_inode = nfs_drop_inode,
.put_super = nfs_put_super,
.statfs = nfs_statfs,
.evict_inode = nfs_evict_inode,