On Tue, 28 Nov 2006, Mingming Cao wrote:
> Port a series ext2 balloc patches from Hugh to ext3/4. The first 6
> patches are against ext3, and the rest are aginst ext4.
Thanks for all that, Mingming:
whichever is appropriate, all twelve
Acked-by: Hugh Dickins <[EMAIL PROTECTED]>
or
Signed-off-by:
--
Subject: ext2 balloc: fix off-by-one against rsv_end
From: Hugh Dickins <[EMAIL PROTECTED]>
rsv_end is the last block within the reservation, so alloc_new_reservation
should accept start_block == rsv_end as success.
--
--
Subject: ext2 balloc: fix off-by-one against grp_goal
From: Hugh Dickins <[EMAIL PROTECTED]>
grp_goal 0 is a genuine goal (unlike -1), so ext2_try_to_allocate_with_rsv
should treat it as such.
-
Sync up a reservation fix from ext2 in ext3
--
Subject: ext2 balloc: fix _with_rsv freeze
From: Hugh Dickins <[EMAIL PROTECTED]>
After several days of testing ext2 with reservations, it got caught inside
ext2_try_to_allocate_with_rsv: alloc_new_
--
Subject: ext2 balloc: fix _with_rsv freeze
From: Hugh Dickins <[EMAIL PROTECTED]>
After several days of testing ext2 with reservations, it got caught inside
ext2_try_to_allocate_with_rsv: alloc_new_reservation repeatedly succeeding on
the win
Subject: ext2 balloc: fix off-by-one against grp_goal
From: Hugh Dickins <[EMAIL PROTECTED]>
grp_goal 0 is a genuine goal (unlike -1), so ext2_try_to_allocate_with_rsv
should treat it as such.
--
Sync up with ext2 reservation fix in ext4
Signed
--
Subject: ext2 balloc: use io_error label
From: Hugh Dickins <[EMAIL PROTECTED]>
ext2_new_blocks has a nice io_error label for setting -EIO, so goto that in
the one place that doesn't already use it.
--
--
Subject: ext2 balloc: say rb_entry not list_entry
From: Hugh Dickins <[EMAIL PROTECTED]>
The reservations tree is an rb_tree not a list, so it's less confusing to use
rb_entry() than list_entry() - though they're both just container_of().
--
--
Subject: ext2 balloc: reset windowsz when full
From: Hugh Dickins <[EMAIL PROTECTED]>
ext2_new_blocks should reset the reservation window size to 0 when squeezing
the last blocks out of an almost full filesystem, so the retry doesn't skip
any
--
Subject: ext2 balloc: use io_error label
From: Hugh Dickins <[EMAIL PROTECTED]>
ext2_new_blocks has a nice io_error label for setting -EIO, so goto that in
the one place that doesn't already use it.
--
--
Subject: ext2 balloc: fix off-by-one against rsv_end
From: Hugh Dickins <[EMAIL PROTECTED]>
rsv_end is the last block within the reservation, so alloc_new_reservation
should accept start_block == rsv_end as success.
--
--
Subject: ext2 balloc: say rb_entry not list_entry
From: Hugh Dickins <[EMAIL PROTECTED]>
The reservations tree is an rb_tree not a list, so it's less confusing to use
rb_entry() than list_entry() - though they're both just container_of().
--
Port a series ext2 balloc patches from Hugh to ext3/4. The first 6
patches are against ext3, and the rest are aginst ext4.
--
Subject: ext2 balloc: reset windowsz when full
From: Hugh Dickins <[EMAIL PROTECTED]>
ext2_new_blocks should reset the
On Sun, 2006-10-22 at 16:50 +0800, guomingyang wrote:
>
>I also find many places where the block number type is not changed in
> namei.c and dir.c. Why?
They are all file logical blocks, ext4_fsblk_t is for on disk blocks.
Takashi Sato has a patch to define all file logical blocks as
ext3
On Tue, 2006-11-28 at 20:07 +, Hugh Dickins wrote:
> On Tue, 28 Nov 2006, Mingming Cao wrote:
> > On Tue, 2006-11-28 at 17:40 +, Hugh Dickins wrote:
> > > After several days of testing ext2 with reservations, it got caught inside
> > > ext2_try_to_allocate_with_rsv: alloc_new_reservation re
On Tue, 2006-11-28 at 14:33 -0800, Andrew Morton wrote:
> On Tue, 28 Nov 2006 13:04:53 -0800
> Mingming Cao <[EMAIL PROTECTED]> wrote:
>
> > Thanks, I have acked most of them, and will port them to ext3/4 soon.
>
> You've acked #2 and #3. #4, #5 and #6 remain un-commented-upon and #1 is
> uncle
On Tue, 2006-11-28 at 17:43 +, Hugh Dickins wrote:
> The reservations tree is an rb_tree not a list, so it's less confusing to
> use rb_entry() than list_entry() - though they're both just container_of().
>
> Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]>
> ---
>
Acked.
Thanks,
Mingming
>
On Tue, 2006-11-28 at 17:44 +, Hugh Dickins wrote:
> ext2_new_blocks has a nice io_error label for setting -EIO,
> so goto that in the one place that doesn't already use it.
>
> Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]>
> ---
>
Acked,
Mingming
> fs/ext2/balloc.c |7 +++
> 1
On Tue, 2006-11-28 at 17:42 +, Hugh Dickins wrote:
> grp_goal 0 is a genuine goal (unlike -1),
> so ext2_try_to_allocate_with_rsv should treat it as such.
>
> Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]>
Acked.
Thanks,
Mingming
> ---
>
> fs/ext2/balloc.c |4 ++--
> 1 file changed,
On Tue, 28 Nov 2006 13:04:53 -0800
Mingming Cao <[EMAIL PROTECTED]> wrote:
> Thanks, I have acked most of them, and will port them to ext3/4 soon.
You've acked #2 and #3. #4, #5 and #6 remain un-commented-upon and #1 is
unclear?
-
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Hello All,
As promised a few weeks ago, we have composed a complete patch to add
secure deletion functionality in ext4. With this patch, we can ensure
that data, meta-data and the filename of any file marked with the
special attribute "s", are overwritten right after it is deleted.
The patch perf
On Tue, 2006-11-28 at 17:38 +, Hugh Dickins wrote:
> >
> > And could you check the start and end block for every rsv_window_add and
> > rsv_window_remove, to see if it was keep creating and removing the same
> > window in the same block group?
>
> The same every time it settled on a usable re
As promised, here is a writeup of xfs preallocation routines.
I don't hold these up as the perfect or best way to do this task, but it
is worth looking at what has been done before, to get ideas, find better
ways, and avoid pitfalls for ext4.
XFS preallocation interfaces.
As promised, here is a writeup of xfs defragmentation routines.
I don't hold these up as the perfect or best way to do this task, but it
is worth looking at what has been done before, to get ideas, find better
ways, and avoid pitfalls for ext4.
XFS defragmentation interface.
=
On Tue, 21 Nov 2006, Mingming Cao wrote:
> On Mon, 2006-11-20 at 16:19 +, Hugh Dickins wrote:
> > After four days of running, the EM64T has at last reproduced the same
> > hang as it did in an hour before: stuck in
> > ext2_try_to_allocate_with_rsv,
> > repeatedly ext2_rsv_window_add, ext2_try_
On Tue, 28 Nov 2006, Mingming Cao wrote:
> On Tue, 2006-11-28 at 17:40 +, Hugh Dickins wrote:
> > After several days of testing ext2 with reservations, it got caught inside
> > ext2_try_to_allocate_with_rsv: alloc_new_reservation repeatedly succeeding
> > on the window [12cff,12d0e], ext2_try_t
On Tue, 2006-11-28 at 17:41 +, Hugh Dickins wrote:
> rsv_end is the last block within the reservation,
> so alloc_new_reservation should accept start_block == rsv_end as success.
>
> Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]>
> ---
>
Thanks, Acked.
This is not a problem for now, as the
On Tue, 2006-11-28 at 17:40 +, Hugh Dickins wrote:
> ext2_new_blocks should reset the reservation window size to 0 when squeezing
> the last blocks out of an almost full filesystem, so the retry doesn't skip
> any groups with less than half that free, reporting ENOSPC too soon.
>
I realize th
On Tue, 2006-11-28 at 17:40 +, Hugh Dickins wrote:
> After several days of testing ext2 with reservations, it got caught inside
> ext2_try_to_allocate_with_rsv: alloc_new_reservation repeatedly succeeding
> on the window [12cff,12d0e], ext2_try_to_allocate repeatedly failing to
> find the free
grp_goal 0 is a genuine goal (unlike -1),
so ext2_try_to_allocate_with_rsv should treat it as such.
Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]>
---
fs/ext2/balloc.c |4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- 2.6.19-rc6-mm2/fs/ext2/balloc.c 2006-11-24 08:18:02.0
The reservations tree is an rb_tree not a list, so it's less confusing to
use rb_entry() than list_entry() - though they're both just container_of().
Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]>
---
fs/ext2/balloc.c |6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- 2.6.19-rc
After several days of testing ext2 with reservations, it got caught inside
ext2_try_to_allocate_with_rsv: alloc_new_reservation repeatedly succeeding
on the window [12cff,12d0e], ext2_try_to_allocate repeatedly failing to
find the free block guaranteed to be included (unless there's contention).
F
rsv_end is the last block within the reservation,
so alloc_new_reservation should accept start_block == rsv_end as success.
Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]>
---
fs/ext2/balloc.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 2.6.19-rc6-mm2/fs/ext2/balloc.c 2006-
ext2_new_blocks has a nice io_error label for setting -EIO,
so goto that in the one place that doesn't already use it.
Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]>
---
fs/ext2/balloc.c |7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
--- 2.6.19-rc6-mm2/fs/ext2/balloc.c 200
ext2_new_blocks should reset the reservation window size to 0 when squeezing
the last blocks out of an almost full filesystem, so the retry doesn't skip
any groups with less than half that free, reporting ENOSPC too soon.
Signed-off-by: Hugh Dickins <[EMAIL PROTECTED]>
---
fs/ext2/balloc.c |
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