Re: [PATCH 0/13] read-only remount race fix v7

From: Toshiyuki Okajima
Date: Thu Oct 13 2011 - 03:08:33 EST

Hi.

(2011/10/12 23:48), Miklos Szeredi wrote:
> Here's an update of the read-only remount race fixes.
>
> It should now fix the races after unlink. I haven't been able to
> trigger the bad behavior with the test scripts provided by Toshiyuki
> Okajima.
>
> Toshiyuki-san, could you please test these patches too?
OK. I will test them with ext4. Please wait.

Best Regards,
Toshiyuki Okajima

>
> Thanks,
> Miklos
> ---
>
> Miklos Szeredi (13):
> vfs: ignore error on forced remount
> vfs: keep list of mounts for each superblock
> vfs: protect remounting superblock read-only
> vfs: fs_may_remount_ro: turn unnecessary check into a WARN_ON
> hypfs: remove unnecessary nlink setting
> jfs: remove unnecessary nlink setting
> ocfs2: remove unnecessary nlink setting
> logfs: remove unnecessary nlink setting
> filesystems: add missing nlink wrappers
> filesystems: add set_nlink()
> vfs: protect i_nlink
> vfs: count unlinked inodes
> vfs: prevent remount read-only if pending removes
>
> ---
> arch/s390/hypfs/inode.c | 6 +--
> drivers/mtd/mtdchar.c | 2 +-
> drivers/staging/pohmelfs/inode.c | 2 +-
> fs/9p/vfs_inode.c | 4 +-
> fs/9p/vfs_inode_dotl.c | 4 +-
> fs/adfs/inode.c | 2 +-
> fs/affs/amigaffs.c | 4 +-
> fs/affs/inode.c | 8 ++--
> fs/affs/namei.c | 6 +-
> fs/afs/fsclient.c | 2 +-
> fs/afs/inode.c | 4 +-
> fs/autofs4/inode.c | 2 +-
> fs/befs/linuxvfs.c | 2 +-
> fs/bfs/dir.c | 2 +-
> fs/bfs/inode.c | 2 +-
> fs/binfmt_misc.c | 2 +-
> fs/btrfs/delayed-inode.c | 2 +-
> fs/btrfs/disk-io.c | 2 +-
> fs/btrfs/inode.c | 4 +-
> fs/btrfs/tree-log.c | 2 +-
> fs/ceph/caps.c | 2 +-
> fs/ceph/inode.c | 2 +-
> fs/cifs/inode.c | 6 +-
> fs/cifs/link.c | 2 +-
> fs/coda/coda_linux.c | 2 +-
> fs/coda/dir.c | 2 +-
> fs/devpts/inode.c | 4 +-
> fs/ecryptfs/inode.c | 12 +++---
> fs/efs/inode.c | 2 +-
> fs/exofs/inode.c | 2 +-
> fs/ext2/ialloc.c | 2 +-
> fs/ext2/inode.c | 2 +-
> fs/ext3/ialloc.c | 2 +-
> fs/ext3/inode.c | 2 +-
> fs/ext3/namei.c | 6 +-
> fs/ext4/ialloc.c | 2 +-
> fs/ext4/inode.c | 2 +-
> fs/ext4/migrate.c | 2 +-
> fs/ext4/namei.c | 8 ++--
> fs/fat/inode.c | 4 +-
> fs/fat/namei_msdos.c | 2 +-
> fs/fat/namei_vfat.c | 2 +-
> fs/file_table.c | 23 ----------
> fs/freevxfs/vxfs_inode.c | 2 +-
> fs/fuse/control.c | 2 +-
> fs/fuse/inode.c | 2 +-
> fs/gfs2/glops.c | 2 +-
> fs/hfs/dir.c | 4 +-
> fs/hfs/inode.c | 4 +-
> fs/hfsplus/dir.c | 4 +-
> fs/hfsplus/inode.c | 10 ++--
> fs/hostfs/hostfs_kern.c | 2 +-
> fs/hpfs/dir.c | 2 +-
> fs/hpfs/inode.c | 10 ++--
> fs/hpfs/namei.c | 8 ++--
> fs/hppfs/hppfs.c | 2 +-
> fs/hugetlbfs/inode.c | 2 +-
> fs/inode.c | 83 +++++++++++++++++++++++++++++++++++++-
> fs/internal.h | 1 +
> fs/isofs/inode.c | 4 +-
> fs/isofs/rock.c | 4 +-
> fs/jffs2/dir.c | 6 +-
> fs/jffs2/fs.c | 6 +-
> fs/jfs/jfs_imap.c | 6 +-
> fs/jfs/jfs_inode.c | 2 +-
> fs/jfs/namei.c | 12 +++---
> fs/jfs/super.c | 1 -
> fs/libfs.c | 2 +-
> fs/logfs/dir.c | 8 ++--
> fs/logfs/inode.c | 3 +-
> fs/logfs/readwrite.c | 2 +-
> fs/minix/inode.c | 4 +-
> fs/namespace.c | 57 +++++++++++++++++++++++++-
> fs/ncpfs/inode.c | 2 +-
> fs/nfs/inode.c | 6 +-
> fs/nilfs2/inode.c | 4 +-
> fs/nilfs2/namei.c | 2 +-
> fs/ntfs/inode.c | 8 ++--
> fs/ocfs2/dir.c | 4 +-
> fs/ocfs2/dlmglue.c | 2 +-
> fs/ocfs2/inode.c | 4 +-
> fs/ocfs2/namei.c | 18 ++++-----
> fs/openpromfs/inode.c | 4 +-
> fs/proc/base.c | 12 +++---
> fs/proc/generic.c | 2 +-
> fs/proc/inode.c | 2 +-
> fs/proc/proc_sysctl.c | 2 +-
> fs/qnx4/inode.c | 2 +-
> fs/reiserfs/inode.c | 10 ++--
> fs/reiserfs/namei.c | 16 ++++----
> fs/romfs/super.c | 2 +-
> fs/squashfs/inode.c | 18 ++++----
> fs/stack.c | 2 +-
> fs/super.c | 27 ++++++++++--
> fs/sysfs/inode.c | 2 +-
> fs/sysv/inode.c | 2 +-
> fs/ubifs/super.c | 2 +-
> fs/ubifs/xattr.c | 4 +-
> fs/udf/inode.c | 8 ++-
> fs/udf/namei.c | 15 +++----
> fs/ufs/ialloc.c | 2 +-
> fs/ufs/inode.c | 4 +-
> fs/xfs/xfs_iops.c | 2 +-
> include/linux/fs.h | 66 ++++++++++--------------------
> include/linux/mount.h | 1 +
> mm/shmem.c | 2 +-
> 106 files changed, 389 insertions(+), 286 deletions(-)
>
>
>

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