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<title>linux.git/fs/fuse/control.c, branch v2.6.34</title>
<subtitle>Linux kernel source tree</subtitle>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/'/>
<entry>
<title>fuse: add fusectl interface to max_background</title>
<updated>2009-09-16T12:15:29+00:00</updated>
<author>
<name>Csaba Henk</name>
<email>csaba@gluster.com</email>
</author>
<published>2009-08-26T17:18:24+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=79a9d99434b104c562f30f21b75317667f444793'/>
<id>79a9d99434b104c562f30f21b75317667f444793</id>
<content type='text'>
Make the max_background and congestion_threshold parameters of a FUSE
mount tunable at runtime by adding the respective knobs to its directory
within the fusectl filesystem.

Signed-off-by: Csaba Henk &lt;csaba@gluster.com&gt;
Signed-off-by: Miklos Szeredi &lt;mszeredi@suse.cz&gt;
</content>
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<pre>
Make the max_background and congestion_threshold parameters of a FUSE
mount tunable at runtime by adding the respective knobs to its directory
within the fusectl filesystem.

Signed-off-by: Csaba Henk &lt;csaba@gluster.com&gt;
Signed-off-by: Miklos Szeredi &lt;mszeredi@suse.cz&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>fuse: use drop_nlink() instead of direct nlink manipulation</title>
<updated>2009-09-16T12:15:28+00:00</updated>
<author>
<name>Csaba Henk</name>
<email>csaba@gluster.com</email>
</author>
<published>2009-08-24T04:14:07+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=d6db07ded51c5fb4df2f4a32e6a41e9bb5db7fc4'/>
<id>d6db07ded51c5fb4df2f4a32e6a41e9bb5db7fc4</id>
<content type='text'>
drop_nlink() is the API function to decrease the link count of an inode.
However, at a place the control filesystem used the decrement operator
on i_nlink directly. Fix this.

Cc: Anand Avati &lt;avati@gluster.com&gt;
Signed-off-by: Csaba Henk &lt;csaba@gluster.com&gt;
Signed-off-by: Miklos Szeredi &lt;mszeredi@suse.cz&gt;
</content>
<content type='xhtml'>
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<pre>
drop_nlink() is the API function to decrease the link count of an inode.
However, at a place the control filesystem used the decrement operator
on i_nlink directly. Fix this.

Cc: Anand Avati &lt;avati@gluster.com&gt;
Signed-off-by: Csaba Henk &lt;csaba@gluster.com&gt;
Signed-off-by: Miklos Szeredi &lt;mszeredi@suse.cz&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>fuse: style fixes</title>
<updated>2008-11-26T11:03:54+00:00</updated>
<author>
<name>Miklos Szeredi</name>
<email>mszeredi@suse.cz</email>
</author>
<published>2008-11-26T11:03:54+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=1729a16c2c92bbd9e54ac7cad3101fea2e073aa5'/>
<id>1729a16c2c92bbd9e54ac7cad3101fea2e073aa5</id>
<content type='text'>
Fix coding style errors reported by checkpatch and others.  Uptdate
copyright date to 2008.

Signed-off-by: Miklos Szeredi &lt;mszeredi@suse.cz&gt;
</content>
<content type='xhtml'>
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<pre>
Fix coding style errors reported by checkpatch and others.  Uptdate
copyright date to 2008.

Signed-off-by: Miklos Szeredi &lt;mszeredi@suse.cz&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>mm: bdi: expose the BDI object in sysfs for FUSE</title>
<updated>2008-04-30T15:29:49+00:00</updated>
<author>
<name>Miklos Szeredi</name>
<email>mszeredi@suse.cz</email>
</author>
<published>2008-04-30T07:54:34+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=b6f2fcbcfca9db2bd7aa24940224fcd3bbdbb8aa'/>
<id>b6f2fcbcfca9db2bd7aa24940224fcd3bbdbb8aa</id>
<content type='text'>
Register FUSE's backing_dev_info under sysfs with the name "fuse-MAJOR:MINOR"

Make the fuse control filesystem use s_dev instead of a fuse specific ID.
This makes it easier to match directories under /sys/fs/fuse/connections/ with
directories under /sys/class/bdi, and with actual mounts.

Signed-off-by: Miklos Szeredi &lt;mszeredi@suse.cz&gt;
Cc: Peter Zijlstra &lt;a.p.zijlstra@chello.nl&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
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<pre>
Register FUSE's backing_dev_info under sysfs with the name "fuse-MAJOR:MINOR"

Make the fuse control filesystem use s_dev instead of a fuse specific ID.
This makes it easier to match directories under /sys/fs/fuse/connections/ with
directories under /sys/class/bdi, and with actual mounts.

Signed-off-by: Miklos Szeredi &lt;mszeredi@suse.cz&gt;
Cc: Peter Zijlstra &lt;a.p.zijlstra@chello.nl&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>[PATCH] mark struct inode_operations const 1</title>
<updated>2007-02-12T17:48:46+00:00</updated>
<author>
<name>Arjan van de Ven</name>
<email>arjan@linux.intel.com</email>
</author>
<published>2007-02-12T08:55:38+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=754661f143e70d66eae6c48532ca245aa05dec0e'/>
<id>754661f143e70d66eae6c48532ca245aa05dec0e</id>
<content type='text'>
Many struct inode_operations in the kernel can be "const".  Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data.  In addition it'll catch accidental writes at compile time to
these shared resources.

Signed-off-by: Arjan van de Ven &lt;arjan@linux.intel.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>
Many struct inode_operations in the kernel can be "const".  Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data.  In addition it'll catch accidental writes at compile time to
these shared resources.

Signed-off-by: Arjan van de Ven &lt;arjan@linux.intel.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>[PATCH] fuse: fix bug in control filesystem mount</title>
<updated>2007-01-30T16:26:45+00:00</updated>
<author>
<name>Miklos Szeredi</name>
<email>miklos@szeredi.hu</email>
</author>
<published>2007-01-29T21:19:54+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=ff79544754631cf3d237ff47b7d0e7ab2d211fcf'/>
<id>ff79544754631cf3d237ff47b7d0e7ab2d211fcf</id>
<content type='text'>
The BUG in fuse_ctl_add_dentry() could be triggered if the control
filesystem was unmounted and mounted again while one or more fuse
filesystems were present.

The fix is to reset the dentry counter in fuse_ctl_kill_sb().

Bug reported by Florent Mertens.

Signed-off-by: Miklos Szeredi &lt;miklos@szeredi.hu&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.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>
The BUG in fuse_ctl_add_dentry() could be triggered if the control
filesystem was unmounted and mounted again while one or more fuse
filesystems were present.

The fix is to reset the dentry counter in fuse_ctl_kill_sb().

Bug reported by Florent Mertens.

Signed-off-by: Miklos Szeredi &lt;miklos@szeredi.hu&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] struct path: convert fuse</title>
<updated>2006-12-08T16:28:45+00:00</updated>
<author>
<name>Josef Sipek</name>
<email>jsipek@fsl.cs.sunysb.edu</email>
</author>
<published>2006-12-08T10:37:02+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=7706a9d6183da7701a9bca7155bccfcd182c670a'/>
<id>7706a9d6183da7701a9bca7155bccfcd182c670a</id>
<content type='text'>
Signed-off-by: Josef Sipek &lt;jsipek@fsl.cs.sunysb.edu&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</content>
<content type='xhtml'>
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<pre>
Signed-off-by: Josef Sipek &lt;jsipek@fsl.cs.sunysb.edu&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] r/o bind mount prepwork: inc_nlink() helper</title>
<updated>2006-10-01T07:39:30+00:00</updated>
<author>
<name>Dave Hansen</name>
<email>haveblue@us.ibm.com</email>
</author>
<published>2006-10-01T06:29:04+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=d8c76e6f45c111c32a4b3e50a2adc9210737b0d8'/>
<id>d8c76e6f45c111c32a4b3e50a2adc9210737b0d8</id>
<content type='text'>
This is mostly included for parity with dec_nlink(), where we will have some
more hooks.  This one should stay pretty darn straightforward for now.

Signed-off-by: Dave Hansen &lt;haveblue@us.ibm.com&gt;
Acked-by: Christoph Hellwig &lt;hch@lst.de&gt;
Cc: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</content>
<content type='xhtml'>
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<pre>
This is mostly included for parity with dec_nlink(), where we will have some
more hooks.  This one should stay pretty darn straightforward for now.

Signed-off-by: Dave Hansen &lt;haveblue@us.ibm.com&gt;
Acked-by: Christoph Hellwig &lt;hch@lst.de&gt;
Cc: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] inode_diet: Replace inode.u.generic_ip with inode.i_private</title>
<updated>2006-09-27T15:26:17+00:00</updated>
<author>
<name>Theodore Ts'o</name>
<email>tytso@mit.edu</email>
</author>
<published>2006-09-27T08:50:46+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=8e18e2941c53416aa219708e7dcad21fb4bd6794'/>
<id>8e18e2941c53416aa219708e7dcad21fb4bd6794</id>
<content type='text'>
The following patches reduce the size of the VFS inode structure by 28 bytes
on a UP x86.  (It would be more on an x86_64 system).  This is a 10% reduction
in the inode size on a UP kernel that is configured in a production mode
(i.e., with no spinlock or other debugging functions enabled; if you want to
save memory taken up by in-core inodes, the first thing you should do is
disable the debugging options; they are responsible for a huge amount of bloat
in the VFS inode structure).

This patch:

The filesystem or device-specific pointer in the inode is inside a union,
which is pretty pointless given that all 30+ users of this field have been
using the void pointer.  Get rid of the union and rename it to i_private, with
a comment to explain who is allowed to use the void pointer.  This is just a
cleanup, but it allows us to reuse the union 'u' for something something where
the union will actually be used.

[judith@osdl.org: powerpc build fix]
Signed-off-by: "Theodore Ts'o" &lt;tytso@mit.edu&gt;
Signed-off-by: Judith Lebzelter &lt;judith@osdl.org&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</content>
<content type='xhtml'>
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<pre>
The following patches reduce the size of the VFS inode structure by 28 bytes
on a UP x86.  (It would be more on an x86_64 system).  This is a 10% reduction
in the inode size on a UP kernel that is configured in a production mode
(i.e., with no spinlock or other debugging functions enabled; if you want to
save memory taken up by in-core inodes, the first thing you should do is
disable the debugging options; they are responsible for a huge amount of bloat
in the VFS inode structure).

This patch:

The filesystem or device-specific pointer in the inode is inside a union,
which is pretty pointless given that all 30+ users of this field have been
using the void pointer.  Get rid of the union and rename it to i_private, with
a comment to explain who is allowed to use the void pointer.  This is just a
cleanup, but it allows us to reuse the union 'u' for something something where
the union will actually be used.

[judith@osdl.org: powerpc build fix]
Signed-off-by: "Theodore Ts'o" &lt;tytso@mit.edu&gt;
Signed-off-by: Judith Lebzelter &lt;judith@osdl.org&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] fuse: fix typo</title>
<updated>2006-07-31T20:28:43+00:00</updated>
<author>
<name>Miklos Szeredi</name>
<email>miklos@szeredi.hu</email>
</author>
<published>2006-07-30T10:04:10+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux.git/commit/?id=873302c71c0e60234eb187b15f83c2d79e84c40a'/>
<id>873302c71c0e60234eb187b15f83c2d79e84c40a</id>
<content type='text'>
Signed-off-by: Miklos Szeredi &lt;miklos@szeredi.hu&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Signed-off-by: Miklos Szeredi &lt;miklos@szeredi.hu&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</pre>
</div>
</content>
</entry>
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