linux-ext4.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Eric Biggers <ebiggers@kernel.org>
To: linux-fsdevel@vger.kernel.org
Cc: linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net,
	Theodore Ts'o <tytso@mit.edu>, Christoph Hellwig <hch@lst.de>
Subject: [PATCH v3 00/11] lazytime fix and cleanups
Date: Tue, 12 Jan 2021 11:02:42 -0800	[thread overview]
Message-ID: <20210112190253.64307-1-ebiggers@kernel.org> (raw)

Hello,

Patch 1 fixes a bug in how __writeback_single_inode() handles lazytime
expirations.  I originally reported this last year
(https://lore.kernel.org/r/20200306004555.GB225345@gmail.com) because it
causes the FS_IOC_REMOVE_ENCRYPTION_KEY ioctl to not work properly, as
the bug causes inodes to remain dirty after a sync.

It also turns out that lazytime on XFS is partially broken because it
doesn't actually write timestamps to disk after a sync() or after
dirtytime_expire_interval.  This is fixed by the same fix.

This supersedes previously proposed fixes, including
https://lore.kernel.org/r/20200307020043.60118-1-tytso@mit.edu and
https://lore.kernel.org/r/20200325122825.1086872-3-hch@lst.de from last
year (which had some issues and didn't fix the XFS bug), and v1 of this
patchset which took a different approach
(https://lore.kernel.org/r/20210105005452.92521-1-ebiggers@kernel.org).

Patches 2-11 then clean up various things related to lazytime and
writeback, such as clarifying the semantics of ->dirty_inode() and the
inode dirty flags, and improving comments.

This patchset applies to v5.11-rc2.

Changed v2 => v3:
  - Changed ext4 patch to add a helper function
    inode_is_dirtytime_only() to include/linux/fs.h.
  - Dropped XFS cleanup patch, as it can be sent/applied separately.
  - Added Reviewed-by's.

Changed v1 => v2:
  - Switched to the fix suggested by Jan Kara, and dropped the
    patches which introduced ->lazytime_expired().
  - Fixed bugs in the fat and ext4 patches.
  - Added patch "fs: improve comments for writeback_single_inode()".
  - Reordered the patches a bit.
  - Added Reviewed-by's.

Eric Biggers (11):
  fs: fix lazytime expiration handling in __writeback_single_inode()
  fs: correctly document the inode dirty flags
  fs: only specify I_DIRTY_TIME when needed in generic_update_time()
  fat: only specify I_DIRTY_TIME when needed in fat_update_time()
  fs: don't call ->dirty_inode for lazytime timestamp updates
  fs: pass only I_DIRTY_INODE flags to ->dirty_inode
  fs: clean up __mark_inode_dirty() a bit
  fs: drop redundant check from __writeback_single_inode()
  fs: improve comments for writeback_single_inode()
  gfs2: don't worry about I_DIRTY_TIME in gfs2_fsync()
  ext4: simplify i_state checks in __ext4_update_other_inode_time()

 Documentation/filesystems/vfs.rst |   5 +-
 fs/ext4/inode.c                   |  20 +----
 fs/f2fs/super.c                   |   3 -
 fs/fat/misc.c                     |  23 +++---
 fs/fs-writeback.c                 | 132 +++++++++++++++++-------------
 fs/gfs2/file.c                    |   4 +-
 fs/gfs2/super.c                   |   2 -
 fs/inode.c                        |  38 +++++----
 include/linux/fs.h                |  33 ++++++--
 9 files changed, 146 insertions(+), 114 deletions(-)


base-commit: e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62
-- 
2.30.0


             reply	other threads:[~2021-01-12 19:05 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-12 19:02 Eric Biggers [this message]
2021-01-12 19:02 ` [PATCH v3 01/11] fs: fix lazytime expiration handling in __writeback_single_inode() Eric Biggers
2021-01-12 19:02 ` [PATCH v3 02/11] fs: correctly document the inode dirty flags Eric Biggers
2021-01-12 19:02 ` [PATCH v3 03/11] fs: only specify I_DIRTY_TIME when needed in generic_update_time() Eric Biggers
2021-01-12 19:02 ` [PATCH v3 04/11] fat: only specify I_DIRTY_TIME when needed in fat_update_time() Eric Biggers
2021-01-12 19:02 ` [PATCH v3 05/11] fs: don't call ->dirty_inode for lazytime timestamp updates Eric Biggers
2021-01-12 19:02 ` [PATCH v3 06/11] fs: pass only I_DIRTY_INODE flags to ->dirty_inode Eric Biggers
2021-01-12 19:02 ` [PATCH v3 07/11] fs: clean up __mark_inode_dirty() a bit Eric Biggers
2021-01-12 19:02 ` [PATCH v3 08/11] fs: drop redundant check from __writeback_single_inode() Eric Biggers
2021-01-12 19:02 ` [PATCH v3 09/11] fs: improve comments for writeback_single_inode() Eric Biggers
2021-01-12 19:02 ` [PATCH v3 10/11] gfs2: don't worry about I_DIRTY_TIME in gfs2_fsync() Eric Biggers
2021-01-12 19:02 ` [PATCH v3 11/11] ext4: simplify i_state checks in __ext4_update_other_inode_time() Eric Biggers
2021-01-13  7:07   ` Christoph Hellwig
2021-01-13 16:29 ` [PATCH v3 00/11] lazytime fix and cleanups Jan Kara
2021-01-13 18:49   ` Eric Biggers

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210112190253.64307-1-ebiggers@kernel.org \
    --to=ebiggers@kernel.org \
    --cc=hch@lst.de \
    --cc=linux-ext4@vger.kernel.org \
    --cc=linux-f2fs-devel@lists.sourceforge.net \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-xfs@vger.kernel.org \
    --cc=tytso@mit.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).