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Commit f473bf92 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

Revert "vfs: fix freeze protection in mnt_want_write_file() for overlayfs" 



This reverts commit 4f4374a9 which was
commit a6795a585929d94ca3e931bc8518f8deb8bbe627 upstream.

Turns out this causes problems and was to fix a patch only in the 4.19
and newer tree.

Reported-by: default avatarAmir Goldstein <amir73il@gmail.com>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e261faa2

fs/namespace.c

+3 −4
Original line number Diff line number Diff line
@@ -446,10 +446,10 @@ int mnt_want_write_file_path(struct file *file) 
{

	int ret;



	sb_start_write(file_inode(file)->i_sb);

	sb_start_write(file->f_path.mnt->mnt_sb);

	ret = __mnt_want_write_file(file);

	if (ret)

		sb_end_write(file_inode(file)->i_sb);

		sb_end_write(file->f_path.mnt->mnt_sb);

	return ret;

}
@@ -540,8 +540,7 @@ void __mnt_drop_write_file(struct file *file) 


void mnt_drop_write_file_path(struct file *file)

{

	__mnt_drop_write_file(file);

	sb_end_write(file_inode(file)->i_sb);

	mnt_drop_write(file->f_path.mnt);

}



void mnt_drop_write_file(struct file *file)