From: Jared Hulbert <jaredeh@gmail.com>
To: linux-fsdevel@vger.kernel.org, "Wilcox,
Matthew R" <matthew.r.wilcox@intel.com>,
"ross.zwisler@linux.intel.com" <ross.zwisler@linux.intel.com>
Subject: DAX: bug in COW no page fault?
Date: Fri, 29 Jan 2016 13:38:15 -0800 [thread overview]
Message-ID: <56ABDBC7.5030703@gmail.com> (raw)
Why isn't this required?
diff --git a/fs/dax.c b/fs/dax.c
index a7f77e1..30f2abe 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -416,6 +416,7 @@ int __dax_fault(struct vm_area_struct *vma, struct vm_fault
error = -EIO;
goto out;
}
+ i_mmap_unlock_read(mapping);
}
return VM_FAULT_LOCKED;
}
next reply other threads:[~2016-01-29 21:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-29 21:38 Jared Hulbert [this message]
2016-01-29 21:53 ` bug in COW no page fault? Wilcox, Matthew R
2016-01-29 22:12 ` Jared Hulbert
2016-01-29 22:36 ` Wilcox, Matthew R
2016-01-29 23:16 ` Jared Hulbert
2016-01-30 5:47 ` Wilcox, Matthew R
2016-01-30 6:34 ` Jared Hulbert
2016-02-01 21:12 ` Ross Zwisler
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=56ABDBC7.5030703@gmail.com \
--to=jaredeh@gmail.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=matthew.r.wilcox@intel.com \
--cc=ross.zwisler@linux.intel.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.