summaryrefslogtreecommitdiffstats
path: root/fs/qnx6/namei.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /fs/qnx6/namei.c
parentInitial commit. (diff)
downloadlinux-upstream/4.19.249.tar.xz
linux-upstream/4.19.249.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/qnx6/namei.c')
-rw-r--r--fs/qnx6/namei.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/fs/qnx6/namei.c b/fs/qnx6/namei.c
new file mode 100644
index 000000000..e2e98e653
--- /dev/null
+++ b/fs/qnx6/namei.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * QNX6 file system, Linux implementation.
+ *
+ * Version : 1.0.0
+ *
+ * History :
+ *
+ * 01-02-2012 by Kai Bankett (chaosman@ontika.net) : first release.
+ * 16-02-2012 pagemap extension by Al Viro
+ *
+ */
+
+#include "qnx6.h"
+
+struct dentry *qnx6_lookup(struct inode *dir, struct dentry *dentry,
+ unsigned int flags)
+{
+ unsigned ino;
+ struct page *page;
+ struct inode *foundinode = NULL;
+ const char *name = dentry->d_name.name;
+ int len = dentry->d_name.len;
+
+ if (len > QNX6_LONG_NAME_MAX)
+ return ERR_PTR(-ENAMETOOLONG);
+
+ ino = qnx6_find_entry(len, dir, name, &page);
+ if (ino) {
+ foundinode = qnx6_iget(dir->i_sb, ino);
+ qnx6_put_page(page);
+ if (IS_ERR(foundinode))
+ pr_debug("lookup->iget -> error %ld\n",
+ PTR_ERR(foundinode));
+ } else {
+ pr_debug("%s(): not found %s\n", __func__, name);
+ }
+ return d_splice_alias(foundinode, dentry);
+}