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-rw-r--r--fs/anon_inodes.c2
-rw-r--r--fs/dcache.c12
-rw-r--r--fs/pipe.c2
3 files changed, 14 insertions, 2 deletions
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index aca8806..9d92b33 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -102,7 +102,7 @@ struct file *anon_inode_getfile(const char *name,
this.name = name;
this.len = strlen(name);
this.hash = 0;
- path.dentry = d_alloc(anon_inode_mnt->mnt_sb->s_root, &this);
+ path.dentry = d_alloc_pseudo(anon_inode_mnt->mnt_sb, &this);
if (!path.dentry)
goto err_module;
diff --git a/fs/dcache.c b/fs/dcache.c
index 09ec945..9e6e6db 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1330,6 +1330,18 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name)
}
EXPORT_SYMBOL(d_alloc);
+struct dentry *d_alloc_pseudo(struct super_block *sb, const struct qstr *name)
+{
+ struct dentry *dentry = d_alloc(NULL, name);
+ if (dentry) {
+ dentry->d_sb = sb;
+ dentry->d_parent = dentry;
+ dentry->d_flags |= DCACHE_DISCONNECTED;
+ }
+ return dentry;
+}
+EXPORT_SYMBOL(d_alloc_pseudo);
+
struct dentry *d_alloc_name(struct dentry *parent, const char *name)
{
struct qstr q;
diff --git a/fs/pipe.c b/fs/pipe.c
index 01a7865..cfe3a7f 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -999,7 +999,7 @@ struct file *create_write_pipe(int flags)
goto err;
err = -ENOMEM;
- path.dentry = d_alloc(pipe_mnt->mnt_sb->s_root, &name);
+ path.dentry = d_alloc_pseudo(pipe_mnt->mnt_sb, &name);
if (!path.dentry)
goto err_inode;
path.mnt = mntget(pipe_mnt);