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(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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On Wed, May 09, 2007 at 08:50:44PM +1000, Paul Mackerras wrote:
Suparna Bhattacharya writes:
This looks like it will have the same problem on s390 as
sys_sync_file_range. Maybe the prototype should be:
asmlinkage long sys_fallocate(loff_t offset, loff_t len, int fd, int mode
.
- Ted
Thanks,
Karuna
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on UML with loopback file systems.
NOTE: No xattrs and xips yet, CONFIG_EXT2_FS_XATTR and CONFIG_EXT2_FS_XIP
should be no for clean compile.
Please comment, suggest, criticize. Patches most welcome.
Best,
AG
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On Mon, Apr 23, 2007 at 09:58:49PM +0530, Suparna Bhattacharya wrote:
On Mon, Apr 23, 2007 at 06:21:34AM -0500, Amit Gud wrote:
This is an initial implementation of ChunkFS technique, briefly discussed
at: http://lwn.net/Articles/190222 and
http://cis.ksu.edu/~gud/docs/chunkfs-hotdep
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On Wed, Feb 07, 2007 at 01:05:44PM -0500, Chris Mason wrote:
On Wed, Feb 07, 2007 at 10:38:45PM +0530, Suparna Bhattacharya wrote:
+ * The flags parameter is a bitmask of:
+ *
+ * DIO_PLACEHOLDERS (use placeholder pages for locking)
+ * DIO_CREATE (pass create=1 to get_block
.
Regards
Suparna
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On Wed, Jan 17, 2007 at 05:39:51PM +0300, Evgeniy Polyakov wrote:
On Wed, Jan 17, 2007 at 07:21:42PM +0530, Suparna Bhattacharya ([EMAIL
PROTECTED]) wrote:
Since you are implementing new APIs here, have you considered doing an
aio_sendfilev to be able to send a header with the data
in
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On Fri, Jan 05, 2007 at 08:02:33AM +0100, Jens Axboe wrote:
On Fri, Jan 05 2007, Suparna Bhattacharya wrote:
On Thu, Jan 04, 2007 at 09:02:42AM -0800, Andrew Morton wrote:
On Thu, 4 Jan 2007 10:26:21 +0530
Suparna Bhattacharya [EMAIL PROTECTED] wrote:
On Wed, Jan 03, 2007 at 02:15
) {
+ if (filp-f_flags O_NONBLOCK || !is_sync_kiocb(iocb)) {
if (!ret)
ret = -EAGAIN;
break;
_
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On Thu, Jan 04, 2007 at 09:02:42AM -0800, Andrew Morton wrote:
On Thu, 4 Jan 2007 10:26:21 +0530
Suparna Bhattacharya [EMAIL PROTECTED] wrote:
On Wed, Jan 03, 2007 at 02:15:56PM -0800, Andrew Morton wrote:
On Thu, 28 Dec 2006 13:53:08 +0530
Suparna Bhattacharya [EMAIL PROTECTED] wrote
On Wed, Jan 03, 2007 at 02:15:56PM -0800, Andrew Morton wrote:
On Thu, 28 Dec 2006 13:53:08 +0530
Suparna Bhattacharya [EMAIL PROTECTED] wrote:
This patchset implements changes to make filesystem AIO read
and write asynchronous for the non O_DIRECT case.
Unfortunately the unplugging
that you are copying over the part
of the stack in use at the time of every switch, is that correct ? At what
point do you do the allocation of the saved stacks ? Sorry I should hold
off all these questions till your patch comes out)
Regards
Suparna
- z
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Sequential-Write30.84 (28.94) 30.09 (28.39)
Regards
Suparna
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Add a wait queue parameter to the action routine called by
__wait_on_bit to allow it to determine whether to block or
not.
Signed-off-by: Suparna Bhattacharya [EMAIL PROTECTED]
Acked-by: Ingo Molnar [EMAIL PROTECTED]
---
linux-2.6.20-rc1-root/fs/buffer.c |2 +-
linux
init_wait_bit_key() initializes the key field in an already
allocated wait bit structure, useful for async wait bit support.
Also separate out the wait bit test to a common routine which
can be used by different kinds of wakeup callbacks.
Signed-off-by: Suparna Bhattacharya [EMAIL PROTECTED
.
Signed-off-by: Suparna Bhattacharya [EMAIL PROTECTED]
Acked-by: Ingo Molnar [EMAIL PROTECTED]
---
linux-2.6.20-rc1-root/include/linux/sched.h | 11 +++
linux-2.6.20-rc1-root/kernel/fork.c |3 ++-
2 files changed, 9 insertions(+), 5 deletions(-)
diff -puN include/linux/sched.h
to be
added in aio_wake_function to allow for other kinds of waiters
which do not require wait bit, based on the assumption that
the key passed in would be NULL in such cases.
Signed-off-by: Suparna Bhattacharya [EMAIL PROTECTED]
Acked-by: Ingo Molnar [EMAIL PROTECTED]
---
linux-2.6.20-rc1-root/fs/aio.c
the reasoning for why it is an
issue is now much clearer (see explanation in the comment below
in aio.c), and the solution is perhaps slightly simpler.
Signed-off-by: Suparna Bhattacharya [EMAIL PROTECTED]
Acked-by: Ingo Molnar [EMAIL PROTECTED]
---
linux-2.6.20-rc1-root/fs/aio.c| 11
in the background
and so typically appears async to the caller except for memory throttling
and non-block aligned writes involving read-modify-write.
Signed-off-by: Suparna Bhattacharya [EMAIL PROTECTED]
Acked-by: Ingo Molnar [EMAIL PROTECTED]
---
include/linux/aio.h |0
Sorry this should have read [PATCH 1/8] instead of [PATCH 1/6]
Regards
Suparna
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On Thu, Dec 28, 2006 at 11:55:10AM +, Christoph Hellwig wrote:
On Thu, Dec 28, 2006 at 02:11:49PM +0530, Suparna Bhattacharya wrote:
-extern void FASTCALL(lock_page_slow(struct page *page));
+extern int FASTCALL(__lock_page_slow(struct page *page, wait_queue_t
*wait));
extern void
prefer to
get rid of the task_struct field cludges and pass all this around in
the kiocb.
Regards
Suparna
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of this work is not in conflict with kevent development.
In fact it is my hope that progress made in getting these pieces of the
puzzle in place would also help us along the long term goal of eventual
convergence.
Regards
Suparna
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On Tue, Jul 05, 2005 at 10:00:24AM -0400, Chris Mason wrote:
On Friday 01 July 2005 03:56, Suparna Bhattacharya wrote:
Has anyone else noticed major throughput regressions for random
reads/writes with aio-stress in 2.6.12 ?
Or have there been any other FS/IO regressions lately ?
On one
.
Vendor: IBM-ESXS Model: ST318305LC!# Rev: B245
...
Regards
Suparna
On Wed, Jul 06, 2005 at 04:07:29PM +0530, Suparna Bhattacharya wrote:
On Tue, Jul 05, 2005 at 10:00:24AM -0400, Chris Mason wrote:
On Friday 01 July 2005 03:56, Suparna Bhattacharya wrote:
Has anyone else noticed major
On Fri, Jul 01, 2005 at 10:25:55AM -0400, Benjamin LaHaise wrote:
On Fri, Jul 01, 2005 at 01:26:00PM +0530, Suparna Bhattacharya wrote:
On one test system I see a degradation from around 17+ MB/s to 11MB/s
for random O_DIRECT AIO (aio-stress -o3 testext3/rwfile5) from 2.6.11
to 2.6.12
=mailto:[EMAIL PROTECTED][EMAIL PROTECTED]/a
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on a
+ * platter.
+ */
+ atomic_inc(handle-h_transaction-t_bios_in_flight);
+ bio-bi_private = handle-h_transaction;
+ } else
+ bio-bi_private = NULL;
submit_bio(WRITE, bio);
return NULL;
}
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Suparna
On Thu, Mar 03, 2005 at 02:40:21AM -0700, Andreas Dilger wrote:
On Mar 03, 2005 14:03 +0530, Suparna Bhattacharya wrote:
diffstat of the 3 patches : 22 files changed, 5920 insertions(+),
47 deletions. The largest is in the extents patch (2743), mballoc
is 1968, and delalloc is 1209
could be to plug parts of mballoc
in to the above, etc ...
Does that make sense ?
Regards
Suparna
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