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Merge branch 'work.rmdir' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 

Pull rmdir update from Al Viro:
 "More shrink_dcache_parent()-related stuff - killing the main source of
  potentially contended calls of that on large subtrees"

* 'work.rmdir' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  rmdir(),rename(): do shrink_dcache_parent() only on success
hifive-unleashed-5.1
Linus Torvalds 2018-06-04 09:53:33 -07:00
parent 06c86e66d6 8767712f26
commit 9c50eafc32
1 changed files with 4 additions and 4 deletions
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8
fs/namei.c
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@ -3852,11 +3852,11 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry)
if (error)
goto out;
shrink_dcache_parent(dentry);
error = dir->i_op->rmdir(dir, dentry);
if (error)
goto out;
shrink_dcache_parent(dentry);
dentry->d_inode->i_flags |= S_DEAD;
dont_mount(dentry);
detach_mounts(dentry);
@ -4439,8 +4439,6 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
old_dir->i_nlink >= max_links)
goto out;
}
if (is_dir && !(flags & RENAME_EXCHANGE) && target)
shrink_dcache_parent(new_dentry);
if (!is_dir) {
error = try_break_deleg(source, delegated_inode);
if (error)
@ -4457,8 +4455,10 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
goto out;
if (!(flags & RENAME_EXCHANGE) && target) {
if (is_dir)
if (is_dir) {
shrink_dcache_parent(new_dentry);
target->i_flags |= S_DEAD;
}
dont_mount(new_dentry);
detach_mounts(new_dentry);
}