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Re: [PATCH 16/21] fs: Protect inode->i_state with the inode->i_lock

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From: Al Viro
Subject: Re: [PATCH 16/21] fs: Protect inode->i_state with the inode->i_lock
Date: Sunday, October 24, 2010 - 1:36 pm

On Sun, Oct 24, 2010 at 04:04:32PM -0400, Christoph Hellwig wrote:

Exactly.  But that should be done without that ridiculous call to
invalidate_inodes() - we should simply fail remount() and be done
with that.


No, I mean that it's not obvious that fsnotify clients can realistically
work on smbfs in the first place.  I.e. I suspect that fsnotify should
refuse to set marks on that sucker.
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Messages in current thread:
Inode Lock Scalability V6, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 03/21] fs: Convert nr_inodes and nr_unused to per-c ..., Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 04/21] fs: Implement lazy LRU updates for inodes, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 05/21] fs: inode split IO and LRU lists, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 06/21] fs: Clean up inode reference counting, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 07/21] exofs: use iput() for inode reference count ..., Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 08/21] fs: rework icount to be a locked variable, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 10/21] fs: Stop abusing find_inode_fast in iunique, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 11/21] fs: move i_ref increments into find_inode/fi ..., Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 12/21] fs: remove inode_add_to_list/__inode_add_to_list, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 13/21] fs: Introduce per-bucket inode hash locks, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 14/21] fs: add a per-superblock lock for the inode list, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 15/21] fs: split locking of inode writeback and LRU ..., Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 16/21] fs: Protect inode->i_state with the inode->i ..., Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 17/21] fs: protect wake_up_inode with inode->i_lock, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 18/21] fs: introduce a per-cpu last_ino allocator, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 19/21] fs: icache remove inode_lock, Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 20/21] fs: Reduce inode I_FREEING and factor inode ..., Dave Chinner, (Wed Oct 20, 5:49 pm)
[PATCH 21/21] fs: do not assign default i_ino in new_inode, Dave Chinner, (Wed Oct 20, 5:49 pm)
Re: [PATCH 06/21] fs: Clean up inode reference counting, Christoph Hellwig, (Wed Oct 20, 6:41 pm)
Re: [PATCH 17/21] fs: protect wake_up_inode with inode->i_lock, Christoph Hellwig, (Wed Oct 20, 7:17 pm)
Re: Inode Lock Scalability V7 (was V6), Dave Chinner, (Wed Oct 20, 10:04 pm)
Re: [PATCH 04/21] fs: Implement lazy LRU updates for inodes, Nick Piggin, (Thu Oct 21, 3:07 am)
Re: [PATCH 04/21] fs: Implement lazy LRU updates for inodes, Christoph Hellwig, (Thu Oct 21, 5:22 am)
Re: [PATCH 17/21] fs: protect wake_up_inode with inode->i_lock, Nick Piggin, (Thu Oct 21, 6:16 am)
Re: Inode Lock Scalability V7 (was V6), Nick Piggin, (Thu Oct 21, 6:20 am)
Re: [PATCH 08/21] fs: rework icount to be a locked variable, Al Viro, (Thu Oct 21, 12:40 pm)
Re: [PATCH 08/21] fs: rework icount to be a locked variable, Dave Chinner, (Thu Oct 21, 3:32 pm)
Re: Inode Lock Scalability V7 (was V6), Dave Chinner, (Thu Oct 21, 4:52 pm)
Re: Inode Lock Scalability V7 (was V6), Nick Piggin, (Thu Oct 21, 5:45 pm)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Al Viro, (Thu Oct 21, 6:56 pm)
Re: Inode Lock Scalability V7 (was V6), Al Viro, (Thu Oct 21, 7:20 pm)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Nick Piggin, (Thu Oct 21, 7:26 pm)
Re: Inode Lock Scalability V7 (was V6), Nick Piggin, (Thu Oct 21, 7:41 pm)
Re: Inode Lock Scalability V7 (was V6), Nick Piggin, (Thu Oct 21, 7:48 pm)
Re: Inode Lock Scalability V7 (was V6), Al Viro, (Thu Oct 21, 8:07 pm)
Re: Inode Lock Scalability V7 (was V6), Al Viro, (Thu Oct 21, 8:12 pm)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Dave Chinner, (Thu Oct 21, 8:14 pm)
Re: Inode Lock Scalability V7 (was V6), Nick Piggin, (Thu Oct 21, 9:46 pm)
Re: Inode Lock Scalability V7 (was V6), Nick Piggin, (Thu Oct 21, 9:48 pm)
Re: Inode Lock Scalability V7 (was V6), Nick Piggin, (Thu Oct 21, 10:01 pm)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Al Viro, (Fri Oct 22, 3:37 am)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Christoph Hellwig, (Fri Oct 22, 4:40 am)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Al Viro, (Sat Oct 23, 2:37 pm)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Nick Piggin, (Sat Oct 23, 7:18 pm)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Christoph Hellwig, (Sun Oct 24, 7:13 am)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Christoph Hellwig, (Sun Oct 24, 9:21 am)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Al Viro, (Sun Oct 24, 12:17 pm)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Christoph Hellwig, (Sun Oct 24, 1:04 pm)
Re: [PATCH 16/21] fs: Protect inode->i_state with the inod ..., Al Viro, (Sun Oct 24, 1:36 pm)