From mboxrd@z Thu Jan 1 00:00:00 1970 From: Miklos Szeredi Subject: Re: [RFC PATCH 00/35] overlayfs: stack file operations Date: Fri, 4 May 2018 17:23:26 +0200 Message-ID: References: <20180412150826.20988-1-mszeredi@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20180412150826.20988-1-mszeredi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org To: overlayfs Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Amir Goldstein , Vivek Goyal , "J. R. Okajima" , Ritesh Harjani , Matthew Wilcox , Miklos Szeredi List-Id: linux-unionfs@vger.kernel.org On Thu, Apr 12, 2018 at 5:07 PM, Miklos Szeredi wrote: > Git tree is here: > > git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-rorw Thanks everyone for your review. Force pushed new version to the above branch. Hopefully no comment was missed (I didn't add more reverts yet, those can wait). I'll do a mailbomb as well next week and start processing the metacopy patches. Thanks, Miklos --- Miklos Szeredi (38): vfs: dedpue: return s64 vfs: dedupe: rationalize args vfs: dedupe: extract helper for a single dedup vfs: add path_open() vfs: optionally don't account file in nr_files vfs: add f_op->pre_mmap() vfs: export vfs_ioctl() to modules vfs: export vfs_dedupe_file_range_one() to modules ovl: copy up times ovl: copy up inode flags Revert "Revert "ovl: get_write_access() in truncate"" ovl: copy up file size as well ovl: deal with overlay files in ovl_d_real() ovl: stack file ops ovl: add helper to return real file ovl: add ovl_read_iter() ovl: add ovl_write_iter() ovl: add ovl_fsync() ovl: add ovl_mmap() ovl: add ovl_fallocate() ovl: add lsattr/chattr support ovl: add ovl_fiemap() ovl: add O_DIRECT support ovl: add reflink/copyfile/dedup support vfs: don't open real ovl: copy-up on MAP_SHARED vfs: simplify dentry_open() Revert "ovl: fix may_write_real() for overlayfs directories" Revert "ovl: don't allow writing ioctl on lower layer" vfs: fix freeze protection in mnt_want_write_file() for overlayfs Revert "ovl: fix relatime for directories" Revert "vfs: update ovl inode before relatime check" Revert "vfs: add flags to d_real()" Revert "vfs: do get_write_access() on upper layer of overlayfs" Partially revert "locks: fix file locking on overlayfs" Revert "fsnotify: support overlayfs" vfs: remove open_flags from d_real() ovl: fix documentation of non-standard behavior --- Documentation/filesystems/Locking | 4 +- Documentation/filesystems/overlayfs.txt | 60 ++-- Documentation/filesystems/vfs.txt | 19 +- fs/btrfs/ctree.h | 4 +- fs/btrfs/ioctl.c | 6 +- fs/file_table.c | 13 +- fs/inode.c | 46 +-- fs/internal.h | 17 +- fs/ioctl.c | 1 + fs/locks.c | 20 +- fs/namei.c | 2 +- fs/namespace.c | 69 +---- fs/ocfs2/file.c | 10 +- fs/open.c | 74 ++--- fs/overlayfs/Kconfig | 21 ++ fs/overlayfs/Makefile | 4 +- fs/overlayfs/dir.c | 33 ++- fs/overlayfs/file.c | 506 ++++++++++++++++++++++++++++++++ fs/overlayfs/inode.c | 63 +++- fs/overlayfs/overlayfs.h | 21 +- fs/overlayfs/ovl_entry.h | 1 + fs/overlayfs/super.c | 65 ++-- fs/overlayfs/util.c | 11 +- fs/read_write.c | 91 +++--- fs/xattr.c | 9 +- fs/xfs/xfs_file.c | 8 +- include/linux/dcache.h | 15 +- include/linux/fs.h | 30 +- include/linux/fsnotify.h | 14 +- include/uapi/linux/fs.h | 1 - mm/util.c | 5 + 31 files changed, 886 insertions(+), 357 deletions(-) create mode 100644 fs/overlayfs/file.c