diff options
| -rw-r--r-- | fs/dcache.c | 38 |
1 files changed, 4 insertions, 34 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 1f8e6acb0ea4..8150e4e9e88b 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -650,9 +650,8 @@ EXPORT_SYMBOL(dput); * @dentry: dentry to invalidate * * Try to invalidate the dentry if it turns out to be - * possible. If there are other dentries that can be - * reached through this one we can't delete it and we - * return -EBUSY. On success we return 0. + * possible. If there are reasons not to delete it + * return -EBUSY. On success return 0. * * no dcache lock. */ @@ -667,38 +666,9 @@ int d_invalidate(struct dentry * dentry) spin_unlock(&dentry->d_lock); return 0; } - /* - * Check whether to do a partial shrink_dcache - * to get rid of unused child entries. - */ - if (!list_empty(&dentry->d_subdirs)) { - spin_unlock(&dentry->d_lock); - shrink_dcache_parent(dentry); - spin_lock(&dentry->d_lock); - } - - /* - * Somebody else still using it? - * - * If it's a directory, we can't drop it - * for fear of somebody re-populating it - * with children (even though dropping it - * would make it unreachable from the root, - * we might still populate it if it was a - * working directory or similar). - * We also need to leave mountpoints alone, - * directory or not. - */ - if (dentry->d_lockref.count > 1 && dentry->d_inode) { - if (S_ISDIR(dentry->d_inode->i_mode) || d_mountpoint(dentry)) { - spin_unlock(&dentry->d_lock); - return -EBUSY; - } - } - - __d_drop(dentry); spin_unlock(&dentry->d_lock); - return 0; + + return check_submounts_and_drop(dentry); } EXPORT_SYMBOL(d_invalidate); |