xiaomi-sm8450/android_kernel_xiaomi_sm8450
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[O_TMPFILE] it's still short a few helpers, but infrastructure should be OK now...

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2013-06-07 01:20:27 -04:00
parent f9652e10c1
commit 60545d0d46
12 changed files with 164 additions and 5 deletions
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16
fs/dcache.c
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@@ -2968,6 +2968,22 @@ 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_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