Hi,
could anyone tell what does vfs.ffs.rawreadahead enable ?
As I understand it's used in DIRECTIO code that allows read data
directly to an userland buffer bypassing the buffer cache.
What I can not understand where the read ahead data can be placed in ?
--
Igor Sysoev
http://sysoev.ru/en
vfs.ffs.rawreadahead enable ?
As I understand it's used in DIRECTIO code that allows read data
directly to an userland buffer bypassing the buffer cache.
What I can not understand where the read ahead data can be placed in ?
--
Igor Sysoev
http://sysoev.ru/en
vfs.ffs.rawreadahead enable ?
As I understand it's used in DIRECTIO code that allows read data
directly to an userland buffer bypassing the buffer cache.
What I can not understand where the read ahead data can be placed in ?
--
Igor Sysoev
http://sysoev.ru/en
a second
parallel ahead disk transaction with supplied userland buffer or not.
--
Igor Sysoev
http://sysoev.ru/en/
On 9/3/08, Igor Sysoev [EMAIL PROTECTED] wrote:
Hi,
could anyone tell what does vfs.ffs.rawreadahead enable ?
As I understand it's used in DIRECTIO code that allows
On Wed, Sep 03, 2008 at 05:03:21PM +0530, Sujit Karataparambil wrote:
These are Journalling File System. Some thing like WAPBL
which stands for Write-Ahead Physical Block Logging. These
are built on Generic kernel components.
vfs.ffs.rawreadahead as it may be seen from its name is read-ahead
On Wed, Sep 03, 2008 at 01:53:52PM +0400, Igor Sysoev wrote:
Hi,
could anyone tell what does vfs.ffs.rawreadahead enable ?
As I understand it's used in DIRECTIO code that allows read data
directly to an userland buffer bypassing the buffer cache.
What I can not understand where the read
On Wed, Sep 03, 2008 at 03:39:55PM +0300, Kostik Belousov wrote:
On Wed, Sep 03, 2008 at 01:53:52PM +0400, Igor Sysoev wrote:
Hi,
could anyone tell what does vfs.ffs.rawreadahead enable ?
As I understand it's used in DIRECTIO code that allows read data
directly to an userland buffer
On Wed, Sep 03, 2008 at 04:47:33PM +0400, Igor Sysoev wrote:
On Wed, Sep 03, 2008 at 03:39:55PM +0300, Kostik Belousov wrote:
On Wed, Sep 03, 2008 at 01:53:52PM +0400, Igor Sysoev wrote:
Hi,
could anyone tell what does vfs.ffs.rawreadahead enable ?
As I understand it's used
what does vfs.ffs.rawreadahead enable ?
As I understand it's used in DIRECTIO code that allows read data
directly to an userland buffer bypassing the buffer cache.
What I can not understand where the read ahead data can be placed in ?
The operation of the ffs_rawread is more accurately described
On Wed, Sep 03, 2008 at 10:44:46AM -0600, Scott Long wrote:
On Wed, 3 Sep 2008, Igor Sysoev wrote:
On Wed, Sep 03, 2008 at 03:39:55PM +0300, Kostik Belousov wrote:
On Wed, Sep 03, 2008 at 01:53:52PM +0400, Igor Sysoev wrote:
Hi,
could anyone tell what does vfs.ffs.rawreadahead enable
On Wed, 3 Sep 2008, Igor Sysoev wrote:
On Wed, Sep 03, 2008 at 03:39:55PM +0300, Kostik Belousov wrote:
On Wed, Sep 03, 2008 at 01:53:52PM +0400, Igor Sysoev wrote:
Hi,
could anyone tell what does vfs.ffs.rawreadahead enable ?
As I understand it's used in DIRECTIO code that allows read data
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