diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-06-07 01:20:27 -0400 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2019-05-02 15:45:06 +0200 |
| commit | 59ea0dff75365932014b736b58afd3b425e2a9b5 (patch) | |
| tree | 3257f5646554995554458ef672d45bd73d4633b4 /fs/dcache.c | |
| parent | 5f26faf60ffc3a433b62b2dc5393039a35e21bf9 (diff) | |
it's still short a few helpers, but infrastructure should be OK now...
Change-Id: I0adb8fe9c5029bad3ac52629003c3b78e9442936
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/dcache.c')
| -rw-r--r-- | fs/dcache.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 13ff1c648..3c1b77e92 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -3052,6 +3052,22 @@ rename_retry: goto again; } +void d_tmpfile(struct dentry *dentry, struct inode *inode) +{ + inode_dec_link_count(inode); + BUG_ON(dentry->d_name.name != dentry->d_iname || + !hlist_unhashed(&dentry->d_u.d_alias) || + !d_unlinked(dentry)); + spin_lock(&dentry->d_parent->d_lock); + spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED); + dentry->d_name.len = sprintf(dentry->d_iname, "#%llu", + (unsigned long long)inode->i_ino); + spin_unlock(&dentry->d_lock); + spin_unlock(&dentry->d_parent->d_lock); + d_instantiate(dentry, inode); +} +EXPORT_SYMBOL(d_tmpfile); + /** * find_inode_number - check for dentry with name * @dir: directory to check |