From: Jan Kara <jack@suse.cz>
To: Dave Chinner <dchinner@redhat.com>
Cc: Jan Kara <jack@suse.cz>,
linux-fsdevel@vger.kernel.org, Al Viro <viro@ZenIV.linux.org.uk>
Subject: Re: [PATCH 14/27] fs: Add freezing handling to mnt_want_write() / mnt_drop_write()
Date: Wed, 6 Jun 2012 17:16:19 +0200 [thread overview]
Message-ID: <20120606151619.GA11026@quack.suse.cz> (raw)
In-Reply-To: <20120606080457.GD3019@devil.redhat.com>
[-- Attachment #1: Type: text/plain, Size: 1430 bytes --]
On Wed 06-06-12 18:04:57, Dave Chinner wrote:
> On Sat, Jun 02, 2012 at 12:30:28AM +0200, Jan Kara wrote:
> > Most of places where we want freeze protection coincides with the places where
> > we also have remount-ro protection. So make mnt_want_write() and
> > mnt_drop_write() (and their _file alternative) prevent freezing as well.
> > For the few cases that are really interested only in remount-ro protection
> > provide new function variants.
> >
> > BugLink: https://bugs.launchpad.net/bugs/897421
> > Tested-by: Kamal Mostafa <kamal@canonical.com>
> > Tested-by: Peter M. Petrakis <peter.petrakis@canonical.com>
> > Tested-by: Dann Frazier <dann.frazier@canonical.com>
> > Tested-by: Massimo Morana <massimo.morana@canonical.com>
> > Signed-off-by: Jan Kara <jack@suse.cz>
> > ---
> > fs/file_table.c | 2 +-
> > fs/inode.c | 4 +-
> > fs/namei.c | 16 +++++++-
>
> The changes to the fs/inode.c and fs/namei.c file don't apply. the
> fs/inode.c fixup is trivial, but do_last() has been significantly
> modified since this patch was created and it's not exactly obvious
> to me how to fix this. Can you rebase the series on, say, 3.5-rc1,
> Jan?
Yes, there were some collisions with vfs tree which was merged at the
last moment. I've rebased the patches on top of Linus' tree as of today
(eea5b551). The result is attached.
Honza
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
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next prev parent reply other threads:[~2012-06-06 15:16 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-01 22:30 [PATCH 00/27 v6] Fix filesystem freezing deadlocks Jan Kara
2012-06-01 22:30 ` [PATCH 01/27] fb_defio: Push file_update_time() into fb_deferred_io_mkwrite() Jan Kara
2012-06-01 22:30 ` [PATCH 02/27] fs: Push file_update_time() into __block_page_mkwrite() Jan Kara
2012-06-01 22:30 ` [PATCH 03/27] ceph: Push file_update_time() into ceph_page_mkwrite() Jan Kara
2012-06-01 22:30 ` [PATCH 04/27] 9p: Push file_update_time() into v9fs_vm_page_mkwrite() Jan Kara
2012-06-01 22:30 ` [PATCH 05/27] gfs2: Push file_update_time() into gfs2_page_mkwrite() Jan Kara
2012-06-01 22:30 ` [PATCH 06/27] sysfs: Push file_update_time() into bin_page_mkwrite() Jan Kara
2012-06-01 22:30 ` [PATCH 07/27] mm: Update file times from fault path only if .page_mkwrite is not set Jan Kara
2012-06-01 22:30 ` [PATCH 08/27] mm: Make default vm_ops provide ->page_mkwrite handler Jan Kara
2012-06-01 22:30 ` [PATCH 09/27] fs: Push mnt_want_write() outside of i_mutex Jan Kara
2012-06-01 22:30 ` [PATCH 10/27] fat: " Jan Kara
2012-06-01 22:30 ` [PATCH 11/27] btrfs: " Jan Kara
2012-06-01 22:30 ` [PATCH 12/27] nfsd: " Jan Kara
2012-06-01 22:30 ` [PATCH 13/27] fs: Improve filesystem freezing handling Jan Kara
2012-06-01 22:30 ` [PATCH 14/27] fs: Add freezing handling to mnt_want_write() / mnt_drop_write() Jan Kara
2012-06-06 8:04 ` Dave Chinner
2012-06-06 15:16 ` Jan Kara [this message]
2012-06-01 22:30 ` [PATCH 15/27] fs: Skip atime update on frozen filesystem Jan Kara
2012-06-01 22:30 ` [PATCH 16/27] fs: Protect write paths by sb_start_write - sb_end_write Jan Kara
2012-06-01 22:30 ` [PATCH 17/27] ext4: Convert to new freezing mechanism Jan Kara
2012-06-11 3:13 ` Ted Ts'o
2012-06-01 22:30 ` [PATCH 18/27] xfs: Convert to new freezing code Jan Kara
2012-06-05 4:15 ` Dave Chinner
2012-06-05 8:43 ` Jan Kara
2012-06-01 22:30 ` [PATCH 19/27] ocfs2: Convert to new freezing mechanism Jan Kara
2012-06-01 22:30 ` [PATCH 20/27] gfs2: " Jan Kara
2012-06-01 22:30 ` [PATCH 21/27] fuse: " Jan Kara
2012-06-01 22:30 ` [PATCH 22/27] ntfs: " Jan Kara
2012-06-01 22:30 ` [PATCH 24/27] btrfs: " Jan Kara
2012-06-01 22:30 ` [PATCH 25/27] ext2: Implement freezing Jan Kara
2012-06-01 22:30 ` [PATCH 26/27] fs: Remove old freezing mechanism Jan Kara
2012-06-01 22:30 ` [PATCH 27/27] Documentation: Correct s_umount state for freeze_fs/unfreeze_fs Jan Kara
[not found] ` <1338589841-9568-1-git-send-email-jack-AlSwsSmVLrQ@public.gmane.org>
2012-06-01 22:30 ` [PATCH 23/27] nilfs2: Convert to new freezing mechanism Jan Kara
2012-06-09 6:29 ` [PATCH 00/27 v6] Fix filesystem freezing deadlocks Al Viro
-- strict thread matches above, loose matches on Subject: below --
2012-04-16 16:13 [PATCH 00/19 v5] " Jan Kara
2012-04-16 16:13 ` [PATCH 14/27] fs: Add freezing handling to mnt_want_write() / mnt_drop_write() Jan Kara
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