<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-toradex.git/fs/afs/main.c, branch v4.9.120</title>
<subtitle>Linux kernel for Apalis and Colibri modules</subtitle>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/'/>
<entry>
<title>afs: Need linux/random.h</title>
<updated>2016-08-30T15:07:53+00:00</updated>
<author>
<name>David Howells</name>
<email>dhowells@redhat.com</email>
</author>
<published>2016-08-30T15:05:14+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e0661dfc5961cf14f255fa5466041a961ca2ebdf'/>
<id>e0661dfc5961cf14f255fa5466041a961ca2ebdf</id>
<content type='text'>
We should #include linux/random.h to use get_random().

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
We should #include linux/random.h to use get_random().

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>AFS: Correctly assemble the client UUID</title>
<updated>2014-07-29T17:14:36+00:00</updated>
<author>
<name>David Howells</name>
<email>dhowells@redhat.com</email>
</author>
<published>2014-07-29T16:53:23+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=0ef135152353d323daa1fef2db94a23e9ae31fb6'/>
<id>0ef135152353d323daa1fef2db94a23e9ae31fb6</id>
<content type='text'>
Correctly assemble the client UUID by OR'ing in the flags rather than
assigning them over the other components.

Reported-by: Himangi Saraogi &lt;himangi774@gmail.com&gt;
Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Correctly assemble the client UUID by OR'ing in the flags rather than
assigning them over the other components.

Reported-by: Himangi Saraogi &lt;himangi774@gmail.com&gt;
Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>afs: add afs_wq and use it instead of the system workqueue</title>
<updated>2011-01-14T17:25:11+00:00</updated>
<author>
<name>Tejun Heo</name>
<email>tj@kernel.org</email>
</author>
<published>2011-01-14T15:56:37+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=0ad53eeefcbb2620b6a71ffdaad4add20b450b8b'/>
<id>0ad53eeefcbb2620b6a71ffdaad4add20b450b8b</id>
<content type='text'>
flush_scheduled_work() is going away.  afs needs to make sure all the
works it has queued have finished before being unloaded and there can
be arbitrary number of pending works.  Add afs_wq and use it as the
flush domain instead of the system workqueue.

Also, convert cancel_delayed_work() + flush_scheduled_work() to
cancel_delayed_work_sync() in afs_mntpt_kill_timer().

Signed-off-by: Tejun Heo &lt;tj@kernel.org&gt;
Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Cc: linux-afs@lists.infradead.org
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
flush_scheduled_work() is going away.  afs needs to make sure all the
works it has queued have finished before being unloaded and there can
be arbitrary number of pending works.  Add afs_wq and use it as the
flush domain instead of the system workqueue.

Also, convert cancel_delayed_work() + flush_scheduled_work() to
cancel_delayed_work_sync() in afs_mntpt_kill_timer().

Signed-off-by: Tejun Heo &lt;tj@kernel.org&gt;
Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Cc: linux-afs@lists.infradead.org
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>AFS: Fix the module init error handling</title>
<updated>2010-08-07T21:23:37+00:00</updated>
<author>
<name>David Howells</name>
<email>dhowells@redhat.com</email>
</author>
<published>2010-08-06T16:26:48+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=df44f9f4f9b5d362b5a2d1c8444fe7e6d4c42653'/>
<id>df44f9f4f9b5d362b5a2d1c8444fe7e6d4c42653</id>
<content type='text'>
Fix the module init error handling.  There are a bunch of goto labels for
aborting the init procedure at different points and just undoing what needs
undoing - they aren't all in the right places, however.

This can lead to an oops like the following:

	BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
	IP: [&lt;ffffffff81042a31&gt;] destroy_workqueue+0x17/0xc0
	...
	Modules linked in: kafs(+) dns_resolver rxkad af_rxrpc fscache

	Pid: 2171, comm: insmod Not tainted 2.6.35-cachefs+ #319 DG965RY/
	...
	Process insmod (pid: 2171, threadinfo ffff88003ca6a000, task ffff88003dcc3050)
	...
	Call Trace:
	 [&lt;ffffffffa0055994&gt;] afs_callback_update_kill+0x10/0x12 [kafs]
	 [&lt;ffffffffa007d1c5&gt;] afs_init+0x190/0x1ce [kafs]
	 [&lt;ffffffffa007d035&gt;] ? afs_init+0x0/0x1ce [kafs]
	 [&lt;ffffffff810001ef&gt;] do_one_initcall+0x59/0x14e
	 [&lt;ffffffff8105f7ee&gt;] sys_init_module+0x9c/0x1de
	 [&lt;ffffffff81001eab&gt;] system_call_fastpath+0x16/0x1b

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Fix the module init error handling.  There are a bunch of goto labels for
aborting the init procedure at different points and just undoing what needs
undoing - they aren't all in the right places, however.

This can lead to an oops like the following:

	BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
	IP: [&lt;ffffffff81042a31&gt;] destroy_workqueue+0x17/0xc0
	...
	Modules linked in: kafs(+) dns_resolver rxkad af_rxrpc fscache

	Pid: 2171, comm: insmod Not tainted 2.6.35-cachefs+ #319 DG965RY/
	...
	Process insmod (pid: 2171, threadinfo ffff88003ca6a000, task ffff88003dcc3050)
	...
	Call Trace:
	 [&lt;ffffffffa0055994&gt;] afs_callback_update_kill+0x10/0x12 [kafs]
	 [&lt;ffffffffa007d1c5&gt;] afs_init+0x190/0x1ce [kafs]
	 [&lt;ffffffffa007d035&gt;] ? afs_init+0x0/0x1ce [kafs]
	 [&lt;ffffffff810001ef&gt;] do_one_initcall+0x59/0x14e
	 [&lt;ffffffff8105f7ee&gt;] sys_init_module+0x9c/0x1de
	 [&lt;ffffffff81001eab&gt;] system_call_fastpath+0x16/0x1b

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>FS-Cache: Make kAFS use FS-Cache</title>
<updated>2009-04-03T15:42:41+00:00</updated>
<author>
<name>David Howells</name>
<email>dhowells@redhat.com</email>
</author>
<published>2009-04-03T15:42:41+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=9b3f26c9110dcea62716aca9b8c68ceb482227ef'/>
<id>9b3f26c9110dcea62716aca9b8c68ceb482227ef</id>
<content type='text'>
The attached patch makes the kAFS filesystem in fs/afs/ use FS-Cache, and
through it any attached caches.  The kAFS filesystem will use caching
automatically if it's available.

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Acked-by: Steve Dickson &lt;steved@redhat.com&gt;
Acked-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
Acked-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
Tested-by: Daire Byrne &lt;Daire.Byrne@framestore.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The attached patch makes the kAFS filesystem in fs/afs/ use FS-Cache, and
through it any attached caches.  The kAFS filesystem will use caching
automatically if it's available.

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Acked-by: Steve Dickson &lt;steved@redhat.com&gt;
Acked-by: Trond Myklebust &lt;Trond.Myklebust@netapp.com&gt;
Acked-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
Tested-by: Daire Byrne &lt;Daire.Byrne@framestore.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>AFS: Do not describe debug parameters with their value</title>
<updated>2008-04-16T14:43:48+00:00</updated>
<author>
<name>Paul Bolle</name>
<email>pebolle@tiscali.nl</email>
</author>
<published>2008-04-16T10:08:22+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=424b00e2c0f0c38f2cf5331391742ec998f6d89f'/>
<id>424b00e2c0f0c38f2cf5331391742ec998f6d89f</id>
<content type='text'>
Describe debug parameters with their names (and not their values).

Signed-off-by: Paul Bolle &lt;pebolle@tiscali.nl&gt;
Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Describe debug parameters with their names (and not their values).

Signed-off-by: Paul Bolle &lt;pebolle@tiscali.nl&gt;
Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>AFS: implement file locking</title>
<updated>2007-07-16T16:05:43+00:00</updated>
<author>
<name>David Howells</name>
<email>dhowells@redhat.com</email>
</author>
<published>2007-07-16T06:40:12+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e8d6c554126b830217c5e9f549e0e21f865a0a8a'/>
<id>e8d6c554126b830217c5e9f549e0e21f865a0a8a</id>
<content type='text'>
Implement file locking for AFS.

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Implement file locking for AFS.

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Detach sched.h from mm.h</title>
<updated>2007-05-21T16:18:19+00:00</updated>
<author>
<name>Alexey Dobriyan</name>
<email>adobriyan@gmail.com</email>
</author>
<published>2007-05-20T21:22:52+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e8edc6e03a5c8562dc70a6d969f732bdb355a7e7'/>
<id>e8edc6e03a5c8562dc70a6d969f732bdb355a7e7</id>
<content type='text'>
First thing mm.h does is including sched.h solely for can_do_mlock() inline
function which has "current" dereference inside. By dealing with can_do_mlock()
mm.h can be detached from sched.h which is good. See below, why.

This patch
a) removes unconditional inclusion of sched.h from mm.h
b) makes can_do_mlock() normal function in mm/mlock.c
c) exports can_do_mlock() to not break compilation
d) adds sched.h inclusions back to files that were getting it indirectly.
e) adds less bloated headers to some files (asm/signal.h, jiffies.h) that were
   getting them indirectly

Net result is:
a) mm.h users would get less code to open, read, preprocess, parse, ... if
   they don't need sched.h
b) sched.h stops being dependency for significant number of files:
   on x86_64 allmodconfig touching sched.h results in recompile of 4083 files,
   after patch it's only 3744 (-8.3%).

Cross-compile tested on

	all arm defconfigs, all mips defconfigs, all powerpc defconfigs,
	alpha alpha-up
	arm
	i386 i386-up i386-defconfig i386-allnoconfig
	ia64 ia64-up
	m68k
	mips
	parisc parisc-up
	powerpc powerpc-up
	s390 s390-up
	sparc sparc-up
	sparc64 sparc64-up
	um-x86_64
	x86_64 x86_64-up x86_64-defconfig x86_64-allnoconfig

as well as my two usual configs.

Signed-off-by: Alexey Dobriyan &lt;adobriyan@gmail.com&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
First thing mm.h does is including sched.h solely for can_do_mlock() inline
function which has "current" dereference inside. By dealing with can_do_mlock()
mm.h can be detached from sched.h which is good. See below, why.

This patch
a) removes unconditional inclusion of sched.h from mm.h
b) makes can_do_mlock() normal function in mm/mlock.c
c) exports can_do_mlock() to not break compilation
d) adds sched.h inclusions back to files that were getting it indirectly.
e) adds less bloated headers to some files (asm/signal.h, jiffies.h) that were
   getting them indirectly

Net result is:
a) mm.h users would get less code to open, read, preprocess, parse, ... if
   they don't need sched.h
b) sched.h stops being dependency for significant number of files:
   on x86_64 allmodconfig touching sched.h results in recompile of 4083 files,
   after patch it's only 3744 (-8.3%).

Cross-compile tested on

	all arm defconfigs, all mips defconfigs, all powerpc defconfigs,
	alpha alpha-up
	arm
	i386 i386-up i386-defconfig i386-allnoconfig
	ia64 ia64-up
	m68k
	mips
	parisc parisc-up
	powerpc powerpc-up
	s390 s390-up
	sparc sparc-up
	sparc64 sparc64-up
	um-x86_64
	x86_64 x86_64-up x86_64-defconfig x86_64-allnoconfig

as well as my two usual configs.

Signed-off-by: Alexey Dobriyan &lt;adobriyan@gmail.com&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>AFS: AFS fixups</title>
<updated>2007-05-09T19:30:50+00:00</updated>
<author>
<name>David Howells</name>
<email>dhowells@redhat.com</email>
</author>
<published>2007-05-09T09:33:45+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=416351f28d2b31d15ff73e9aff699b2163704c95'/>
<id>416351f28d2b31d15ff73e9aff699b2163704c95</id>
<content type='text'>
Make some miscellaneous changes to the AFS filesystem:

 (1) Assert RCU barriers on module exit to make sure RCU has finished with
     callbacks in this module.

 (2) Correctly handle the AFS server returning a zero-length read.

 (3) Split out data zapping calls into one function (afs_zap_data).

 (4) Rename some afs_file_*() functions to afs_*() where they apply to
     non-regular files too.

 (5) Be consistent about the presentation of volume ID:vnode ID in debugging
     output.

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Make some miscellaneous changes to the AFS filesystem:

 (1) Assert RCU barriers on module exit to make sure RCU has finished with
     callbacks in this module.

 (2) Correctly handle the AFS server returning a zero-length read.

 (3) Split out data zapping calls into one function (afs_zap_data).

 (4) Rename some afs_file_*() functions to afs_*() where they apply to
     non-regular files too.

 (5) Be consistent about the presentation of volume ID:vnode ID in debugging
     output.

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[AFS]: Adjust the new netdevice scanning code</title>
<updated>2007-05-03T10:29:41+00:00</updated>
<author>
<name>David Howells</name>
<email>dhowells@redhat.com</email>
</author>
<published>2007-05-03T10:29:41+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=ec9c948546a84d0dcee851be1009a8066958e69d'/>
<id>ec9c948546a84d0dcee851be1009a8066958e69d</id>
<content type='text'>
Adjust the new netdevice scanning code provided by Patrick McHardy:

 (1) Restore the function banner comments that were dropped.

 (2) Rather than using an array size of 6 in some places and an array size of
     ETH_ALEN in others, pass a pointer instead and pass the array size
     through so that we can actually check it.

 (3) Do the buffer fill count check before checking the for_primary_ifa
     condition again.  This permits us to skip that check should maxbufs be
     reached before we run out of interfaces.

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Adjust the new netdevice scanning code provided by Patrick McHardy:

 (1) Restore the function banner comments that were dropped.

 (2) Rather than using an array size of 6 in some places and an array size of
     ETH_ALEN in others, pass a pointer instead and pass the array size
     through so that we can actually check it.

 (3) Do the buffer fill count check before checking the for_primary_ifa
     condition again.  This permits us to skip that check should maxbufs be
     reached before we run out of interfaces.

Signed-off-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</pre>
</div>
</content>
</entry>
</feed>
