From: Peter Zijlstra <peterz@infradead.org>
To: Al Viro <viro@ZenIV.linux.org.uk>,
Linus Torvalds <torvalds@linux-foundation.org>,
Chris Mason <clm@fb.com>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
David Howells <dhowells@redhat.com>,
elena.reshetova@intel.com, ishkamiel@gmail.com,
dwindsor@gmail.com, gregkh@linuxfoundation.org,
peterz@infradead.org
Subject: [RFC][PATCH 01/10] fs: Use lockdep_assert_held() instead of comments
Date: Fri, 24 Feb 2017 16:43:30 +0100 [thread overview]
Message-ID: <20170224162043.922049726@infradead.org> (raw)
In-Reply-To: <20170224154329.478276481@infradead.org>
[-- Attachment #1: peterz-fs-inode-1.patch --]
[-- Type: text/plain, Size: 854 bytes --]
Because nobody reads comments...
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
fs/inode.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -384,11 +384,9 @@ static void init_once(void *foo)
inode_init_once(inode);
}
-/*
- * inode->i_lock must be held
- */
void __iget(struct inode *inode)
{
+ lockdep_assert_held(&inode->i_lock);
atomic_inc(&inode->i_count);
}
@@ -409,11 +407,10 @@ static void inode_lru_list_add(struct in
/*
* Add inode to LRU if needed (inode is unused and clean).
- *
- * Needs inode->i_lock held.
*/
void inode_add_lru(struct inode *inode)
{
+ lockdep_assert_held(&inode->i_lock);
if (!(inode->i_state & (I_DIRTY_ALL | I_SYNC |
I_FREEING | I_WILL_FREE)) &&
!atomic_read(&inode->i_count) && inode->i_sb->s_flags & MS_ACTIVE)
next prev parent reply other threads:[~2017-02-24 18:44 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-24 15:43 [RFC][PATCH 00/10] On inode::i_count and the usage vs reference count issue Peter Zijlstra
2017-02-24 15:43 ` Peter Zijlstra [this message]
2017-02-24 15:43 ` [RFC][PATCH 02/10] fs: Avoid looking at i_count without i_lock held Peter Zijlstra
[not found] ` <CA+55aFxLw8FXf61rsGYDjA1tS=joDeaF7OSgaepLWwcz4zt=dg@mail.gmail.com>
2017-02-24 17:06 ` Peter Zijlstra
2017-02-24 15:43 ` [RFC][PATCH 03/10] fs: Introduce i_count() Peter Zijlstra
2017-02-24 15:43 ` [RFC][PATCH 04/10] fs: Restructure iput() Peter Zijlstra
2017-02-24 15:43 ` [RFC][PATCH 05/10] fs: Remove iput_final() Peter Zijlstra
2017-02-24 15:43 ` [RFC][PATCH 06/10] fs: Rework i_count Peter Zijlstra
2017-02-24 20:49 ` Al Viro
2017-02-24 15:43 ` [RFC][PATCH 07/10] orangefs: Use RCU for destroy_inode Peter Zijlstra
2017-02-24 20:52 ` Al Viro
2017-02-24 23:00 ` Mike Marshall
2017-02-25 20:31 ` Mike Marshall
2017-02-27 0:34 ` Mike Marshall
2017-02-27 1:20 ` Linus Torvalds
2017-02-27 8:44 ` David Howells
2017-02-27 14:44 ` Mike Marshall
2017-02-24 15:43 ` [RFC][PATCH 08/10] fs: Do RCU versions for find_inode() Peter Zijlstra
2017-02-24 15:43 ` [RFC][PATCH 09/10] locking/refcount: Provide refcount_dec_unless() Peter Zijlstra
2017-02-27 9:28 ` Reshetova, Elena
2017-02-24 15:43 ` [RFC][PATCH 10/10] fs: Convert i_count over to refcount_t Peter Zijlstra
2017-02-24 16:43 ` [RFC][PATCH 00/10] On inode::i_count and the usage vs reference count issue Christoph Hellwig
2017-02-24 17:07 ` Peter Zijlstra
2017-02-24 20:59 ` David Windsor
[not found] ` <CA+55aFy1bNbsX_3T-s_EUwTP-r_SmJJMvB3=-2nffehFVP=EdQ@mail.gmail.com>
[not found] ` <CA+55aFz0DbAGZ8gc+s35nm1N5frXjK_NOh7QzuSfZeJbjsT6Sg@mail.gmail.com>
[not found] ` <CA+55aFyR8wkHps5_AqUqzx8MDMNxRZZ7+MYH9g=ZCUi=4Oey8w@mail.gmail.com>
2017-02-24 19:24 ` Fwd: " Linus Torvalds
2017-02-24 20:42 ` Al Viro
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=20170224162043.922049726@infradead.org \
--to=peterz@infradead.org \
--cc=clm@fb.com \
--cc=dhowells@redhat.com \
--cc=dwindsor@gmail.com \
--cc=elena.reshetova@intel.com \
--cc=gregkh@linuxfoundation.org \
--cc=ishkamiel@gmail.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=viro@ZenIV.linux.org.uk \
/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
all inboxes | Powered by JetHome®