projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5d026c72 KB |
1 | /* |
| 2 | * QNX6 file system, Linux implementation. | |
| 3 | * | |
| 4 | * Version : 1.0.0 | |
| 5 | * | |
| 6 | * History : | |
| 7 | * | |
| 8 | * 01-02-2012 by Kai Bankett ([email protected]) : first release. | |
| 9 | * 16-02-2012 pagemap extension by Al Viro | |
| 10 | * | |
| 11 | */ | |
| 12 | ||
| 13 | #include "qnx6.h" | |
| 14 | ||
| 15 | struct dentry *qnx6_lookup(struct inode *dir, struct dentry *dentry, | |
| 00cd8dd3 | 16 | unsigned int flags) |
| 5d026c72 KB |
17 | { |
| 18 | unsigned ino; | |
| 19 | struct page *page; | |
| 20 | struct inode *foundinode = NULL; | |
| 21 | const char *name = dentry->d_name.name; | |
| 22 | int len = dentry->d_name.len; | |
| 23 | ||
| 24 | if (len > QNX6_LONG_NAME_MAX) | |
| 25 | return ERR_PTR(-ENAMETOOLONG); | |
| 26 | ||
| 27 | ino = qnx6_find_entry(len, dir, name, &page); | |
| 28 | if (ino) { | |
| 29 | foundinode = qnx6_iget(dir->i_sb, ino); | |
| 30 | qnx6_put_page(page); | |
| 31 | if (IS_ERR(foundinode)) { | |
| 32 | QNX6DEBUG((KERN_ERR "qnx6: lookup->iget -> " | |
| 33 | " error %ld\n", PTR_ERR(foundinode))); | |
| 34 | return ERR_CAST(foundinode); | |
| 35 | } | |
| 36 | } else { | |
| 37 | QNX6DEBUG((KERN_INFO "qnx6_lookup: not found %s\n", name)); | |
| 38 | return NULL; | |
| 39 | } | |
| 40 | d_add(dentry, foundinode); | |
| 41 | return NULL; | |
| 42 | } |