new helper: ihold()

Clones an existing reference to inode; caller must already hold one.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2010-10-23 11:11:40 -04:00
parent 646ec4615c
commit 7de9c6ee3e
40 changed files with 57 additions and 49 deletions

View file

@ -2911,8 +2911,8 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent)
goto unl_upcase_iput_tmp_ino_err_out_now;
}
if ((sb->s_root = d_alloc_root(vol->root_ino))) {
/* We increment i_count simulating an ntfs_iget(). */
atomic_inc(&vol->root_ino->i_count);
/* We grab a reference, simulating an ntfs_iget(). */
ihold(vol->root_ino);
ntfs_debug("Exiting, status successful.");
/* Release the default upcase if it has no users. */
mutex_lock(&ntfs_lock);