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-rw-r--r--fs/kernfs/dir.c2
-rw-r--r--fs/kernfs/inode.c2
-rw-r--r--fs/kernfs/kernfs-internal.h2
-rw-r--r--fs/kernfs/mount.c7
4 files changed, 9 insertions, 4 deletions
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index 4ca0b5c18192..b84d635567d3 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -536,8 +536,8 @@ void kernfs_put(struct kernfs_node *kn)
security_release_secctx(kn->iattr->ia_secdata,
kn->iattr->ia_secdata_len);
simple_xattrs_free(&kn->iattr->xattrs);
+ kmem_cache_free(kernfs_iattrs_cache, kn->iattr);
}
- kfree(kn->iattr);
spin_lock(&kernfs_idr_lock);
idr_remove(&root->ino_idr, kn->id.ino);
spin_unlock(&kernfs_idr_lock);
diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c
index 80cebcd94c90..0c1fd945ce42 100644
--- a/fs/kernfs/inode.c
+++ b/fs/kernfs/inode.c
@@ -42,7 +42,7 @@ static struct kernfs_iattrs *kernfs_iattrs(struct kernfs_node *kn)
if (kn->iattr)
goto out_unlock;
- kn->iattr = kzalloc(sizeof(struct kernfs_iattrs), GFP_KERNEL);
+ kn->iattr = kmem_cache_zalloc(kernfs_iattrs_cache, GFP_KERNEL);
if (!kn->iattr)
goto out_unlock;
iattrs = &kn->iattr->ia_iattr;
diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h
index 3d83b114bb08..dba810cd83b1 100644
--- a/fs/kernfs/kernfs-internal.h
+++ b/fs/kernfs/kernfs-internal.h
@@ -78,7 +78,7 @@ static inline struct kernfs_node *kernfs_dentry_node(struct dentry *dentry)
}
extern const struct super_operations kernfs_sops;
-extern struct kmem_cache *kernfs_node_cache;
+extern struct kmem_cache *kernfs_node_cache, *kernfs_iattrs_cache;
/*
* inode.c
diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c
index fdf527b6d79c..450eb388bae6 100644
--- a/fs/kernfs/mount.c
+++ b/fs/kernfs/mount.c
@@ -20,7 +20,7 @@
#include "kernfs-internal.h"
-struct kmem_cache *kernfs_node_cache;
+struct kmem_cache *kernfs_node_cache, *kernfs_iattrs_cache;
static int kernfs_sop_remount_fs(struct super_block *sb, int *flags, char *data)
{
@@ -417,4 +417,9 @@ void __init kernfs_init(void)
0,
SLAB_PANIC | SLAB_TYPESAFE_BY_RCU,
NULL);
+
+ /* Creates slab cache for kernfs inode attributes */
+ kernfs_iattrs_cache = kmem_cache_create("kernfs_iattrs_cache",
+ sizeof(struct kernfs_iattrs),
+ 0, SLAB_PANIC, NULL);
}