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authorAl Viro <viro@zeniv.linux.org.uk>2013-02-14 22:39:53 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-26 02:45:52 -0500
commit0df4d6e5bd008a94f1527aa751bbcf7160257c1d (patch)
tree9b547c38bec951f353f90efbaf65d2316eab8ce6 /fs/hugetlbfs
parent3451538a114d738a6528b1da58e19e7d8964c647 (diff)
downloadlinux-0df4d6e5bd008a94f1527aa751bbcf7160257c1d.tar.bz2
hugetlb_file_setup(): use d_alloc_pseudo()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hugetlbfs')
-rw-r--r--fs/hugetlbfs/inode.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 99fe7ef2f09b..7f94e0cbc69c 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -918,6 +918,16 @@ static int get_hstate_idx(int page_size_log)
return h - hstates;
}
+static char *hugetlb_dname(struct dentry *dentry, char *buffer, int buflen)
+{
+ return dynamic_dname(dentry, buffer, buflen, "/%s (deleted)",
+ dentry->d_name.name);
+}
+
+static struct dentry_operations anon_ops = {
+ .d_dname = hugetlb_dname
+};
+
struct file *hugetlb_file_setup(const char *name, unsigned long addr,
size_t size, vm_flags_t acctflag,
struct user_struct **user,
@@ -926,7 +936,7 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
struct file *file = ERR_PTR(-ENOMEM);
struct inode *inode;
struct path path;
- struct dentry *root;
+ struct super_block *sb;
struct qstr quick_string;
struct hstate *hstate;
unsigned long num_pages;
@@ -954,17 +964,18 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
}
}
- root = hugetlbfs_vfsmount[hstate_idx]->mnt_root;
+ sb = hugetlbfs_vfsmount[hstate_idx]->mnt_sb;
quick_string.name = name;
quick_string.len = strlen(quick_string.name);
quick_string.hash = 0;
- path.dentry = d_alloc(root, &quick_string);
+ path.dentry = d_alloc_pseudo(sb, &quick_string);
if (!path.dentry)
goto out_shm_unlock;
+ d_set_d_op(path.dentry, &anon_ops);
path.mnt = mntget(hugetlbfs_vfsmount[hstate_idx]);
file = ERR_PTR(-ENOSPC);
- inode = hugetlbfs_get_inode(root->d_sb, NULL, S_IFREG | S_IRWXUGO, 0);
+ inode = hugetlbfs_get_inode(sb, NULL, S_IFREG | S_IRWXUGO, 0);
if (!inode)
goto out_dentry;