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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-22 00:36:41 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-22 00:36:41 +0400 |
commit | e2a0883e4071237d09b604a342c28b96b44a04b3 (patch) | |
tree | aa56f4d376b5eb1c32358c19c2669c2a94e0e1fd /fs/qnx6/namei.c | |
parent | 3a990a52f9f25f45469e272017a31e7a3fda60ed (diff) | |
parent | 07c0c5d8b8c122b2f2df9ee574ac3083daefc981 (diff) | |
download | linux-e2a0883e4071237d09b604a342c28b96b44a04b3.tar.xz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs pile 1 from Al Viro:
"This is _not_ all; in particular, Miklos' and Jan's stuff is not there
yet."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (64 commits)
ext4: initialization of ext4_li_mtx needs to be done earlier
debugfs-related mode_t whack-a-mole
hfsplus: add an ioctl to bless files
hfsplus: change finder_info to u32
hfsplus: initialise userflags
qnx4: new helper - try_extent()
qnx4: get rid of qnx4_bread/qnx4_getblk
take removal of PF_FORKNOEXEC to flush_old_exec()
trim includes in inode.c
um: uml_dup_mmap() relies on ->mmap_sem being held, but activate_mm() doesn't hold it
um: embed ->stub_pages[] into mmu_context
gadgetfs: list_for_each_safe() misuse
ocfs2: fix leaks on failure exits in module_init
ecryptfs: make register_filesystem() the last potential failure exit
ntfs: forgets to unregister sysctls on register_filesystem() failure
logfs: missing cleanup on register_filesystem() failure
jfs: mising cleanup on register_filesystem() failure
make configfs_pin_fs() return root dentry on success
configfs: configfs_create_dir() has parent dentry in dentry->d_parent
configfs: sanitize configfs_create()
...
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; +} |