diff options
Diffstat (limited to 'fs/qnx6/namei.c')
-rw-r--r-- | fs/qnx6/namei.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/fs/qnx6/namei.c b/fs/qnx6/namei.c new file mode 100644 index 000000000000..8a97289e04ad --- /dev/null +++ b/fs/qnx6/namei.c @@ -0,0 +1,42 @@ +/* + * 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, + struct nameidata *nd) +{ + 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)) { + QNX6DEBUG((KERN_ERR "qnx6: lookup->iget -> " + " error %ld\n", PTR_ERR(foundinode))); + return ERR_CAST(foundinode); + } + } else { + QNX6DEBUG((KERN_INFO "qnx6_lookup: not found %s\n", name)); + return NULL; + } + d_add(dentry, foundinode); + return NULL; +} |