Russell Coker posted on Sun, 21 Sep 2014 11:39:17 +1000 as excerpted:
> On a system running the Debian 3.14.15-2 kernel I added a new drive to a
> RAID-1 array. My aim was to add a device and remove one of the old
> devices.
That's an old kernel and presumably an old btrfs-progs. Quite a number
On Sun, 21 Sep 2014, Duncan <1i5t5.dun...@cox.net> wrote:
> Russell Coker posted on Sun, 21 Sep 2014 11:39:17 +1000 as excerpted:
> > On a system running the Debian 3.14.15-2 kernel I added a new drive to a
> > RAID-1 array. My aim was to add a device and remove one of the old
> > devices.
>
> Th
Russell Coker posted on Sun, 21 Sep 2014 12:09:11 +1000 as excerpted:
> We need to have a way to determine the progress of a device delete
> operation.
> Also for a balance of a RAID-1 that has more than 2 devices it would be
> good to know how much space is used on each device.
>
> Could btrfs f
It has been fixed by
https://patchwork.kernel.org/patch/4747961/
Thanks
Miao
On Sun, 21 Sep 2014 12:41:49 +0800, Eryu Guan wrote:
> btrfs_map_bio() first calls btrfs_bio_counter_inc_blocked() which checks
> fs state and increase bio_counter, then calls __btrfs_map_block() which
> will take the d
Hi,
Chris Murphy wrote:
On Sep 19, 2014, at 2:58 AM, Jakob Breier wrote:
> Unfortunately I don't have much to work with. Can you help me with extracting
> enough information to create a useful bugreport?
What storage device(s)?
The device (/dev/dm-1) is a LUKS device. It is about a gigabyte i
On 21 September 2014 03:01, Dimitri John Ledkov wrote:
>
> Inspect arguments, if we are not called as btrfs, then assume we are
> called to act like fsck.
[...]
> - if (!strcmp(bname, "btrfsck")) {
> + if (strcmp(bname, "btrfs") != 0) {
That's assuming a lot.
Silently (!) breaking pe
On Fri, Sep 19, 2014 at 12:22:57PM -0400, Chris Mason wrote:
> On 09/19/2014 12:05 PM, Paul E. McKenney wrote:
> > On Fri, Sep 19, 2014 at 11:47:53AM -0400, Chris Mason wrote:
> >>
> >>
> >> On 09/19/2014 11:45 AM, Paul E. McKenney wrote:
> >>> On Fri, Sep 19, 2014 at 02:01:28AM -0700, Omar Sandova
On Fri, Sep 19, 2014 at 11:15:53AM -0700, Joe Perches wrote:
> On Fri, 2014-09-19 at 13:21 -0400, Steven Rostedt wrote:
> > On Fri, 19 Sep 2014 02:01:29 -0700
> > Omar Sandoval wrote:
> >
> > > printk returns an integer; there's no reason for printk_ratelimited to
> > > swallow
> > > it.
>
> Ex
On Sun, 2014-09-21 at 06:25 -0700, Paul E. McKenney wrote:
> On Fri, Sep 19, 2014 at 11:15:53AM -0700, Joe Perches wrote:
> > On Fri, 2014-09-19 at 13:21 -0400, Steven Rostedt wrote:
> > > On Fri, 19 Sep 2014 02:01:29 -0700
> > > Omar Sandoval wrote:
> > >
> > > > printk returns an integer; there
On Sep 20, 2014, at 7:39 PM, Russell Coker wrote:
>
> Anyway the new drive turned out to have some errors, writes failed and I've
> got a heap of errors such as the above.
I'm curious if smartctl -t conveyance reveals any problems, it's not a full
surface test but is designed to be a test for
On Sep 20, 2014, at 8:09 PM, Russell Coker wrote:
> We need to have a way to determine the progress of a device delete operation.
>
> Also for a balance of a RAID-1 that has more than 2 devices it would be good
> to know how much space is used on each device.
btrfs replace does do this; but
On Sep 21, 2014, at 4:57 AM, Jakob Breier wrote:
>
> I've tried opening a few files and they appear to be fine. I'll take a more
> thorough look later.
I'm not sure what to expect with --init-extent-tree after the fact. It might
have holes in it (?) seeing as I'm not sure how we get something
Based on original patch from Aneesh Kumar K.V
For the subpagesize-blocksize scenario, a page can contain multiple
blocks. This patch handles this case.
This patch also brings back check_page_locked() to reliably unlock pages in
readpage's end bio function.
Signed-off-by: Chandan Rajendra
---
This commit brings back functions that set/clear EXTENT_WRITEBACK bits. These
are required to reliably clear PG_writeback page flag.
Signed-off-by: Chandan Rajendra
---
fs/btrfs/extent_io.c | 47 +++
fs/btrfs/inode.c | 40 ++
Currently, the code reserves/releases extents in multiples of PAGE_CACHE_SIZE
units. Fix this.
Signed-off-by: Chandan Rajendra
---
fs/btrfs/file.c | 32
1 file changed, 20 insertions(+), 12 deletions(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index d3afac
This patchset continues with the work posted earlier at
https://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg37041.html.
Changes from V1:
1. Remove usage of bio_vec->bv_{len,offset} in end_bio_extent_readpage()
and end_bio_extent_writepage().
Changes from V2:
1. Get __extent_writepage()
From: Chandra Seetharaman
In order to handle multiple extent buffers per page, first we need to create a
way to handle all the extent buffers that are attached to a page.
This patch creates a new data structure 'struct extent_buffer_head', and moves
fields that are common to all extent buffers i
The code now loops across 'ordered extents' instead of 'extent maps' to figure
out the dirty blocks of the page to be submitted for a write operation.
Signed-off-by: Chandan Rajendra
---
fs/btrfs/extent_io.c | 74
1 file changed, 29 insertions
In subpagesize-blocksize scenario it is not sufficient to search using the
first byte of the page to make sure that there are no ordered extents
present across the page. Fix this.
Signed-off-by: Chandan Rajendra
---
fs/btrfs/extent_io.c | 3 ++-
fs/btrfs/inode.c | 6 +++---
2 files changed,
In subpagesize-blocksize, we have multiple blocks in a page. Checking for
existence of a page in the page cache isn't a sufficient check, since we
could be truncating a subset of the blocks mapped by the page.
Signed-off-by: Chandan Rajendra
---
fs/btrfs/btrfs_inode.h | 2 --
fs/btrfs/file.c
In the case of subpagesize-blocksize, this patch makes it possible to read
only a single metadata block from the disk instead of all the metadata blocks
that map into a page.
Signed-off-by: Chandan Rajendra
---
fs/btrfs/disk-io.c | 45 +++--
fs/btrfs/disk-io.h | 3 ++
fs/btrfs
In subpagesize-blocksize scenario, extent allocations for only some of the
dirty blocks of a page can succeed, while allocation for rest of the blocks
can fail. This patch allows I/O against such partially allocated ordered
extents to be submitted.
Signed-off-by: Chandan Rajendra
---
fs/btrfs/ex
For the subpagesize-blocksize scenario, This patch adds the ability to write a
single extent buffer to the disk.
Signed-off-by: Chandan Rajendra
---
fs/btrfs/disk-io.c | 20 ++--
fs/btrfs/extent_io.c | 300 ---
2 files changed, 250 insertions(+)
Checksums are applicable to sectorsize units. The current code uses
bio->bv_len units to compute and look up checksums. This works on machines
where sectorsize == PAGE_CACHE_SIZE. This patch makes the checksum
computation and look up code to work with sectorsize units.
Signed-off-by: Chandan Rajen
In the subpagesize-blocksize scenario, the following command (with 4k as the
PAGE_SIZE and 2k as the block size) can cause false accounting of blocks of an
ordered extent that is written to disk:
$ xfs_io -f -c "pwrite 0 10240" \
-c "sync_range 0 4096" \
-c "sync_range 8192 2048" \
-c "pwrite 1024
In subpagesize-blocksize scenario a page can have more than one block. So
in addition to PagePrivate2 flag, we would have to track the I/O status of
each block of a page to reliably mark the ordered extent as complete.
Signed-off-by: Chandan Rajendra
---
fs/btrfs/inode.c| 327 +++
In subpagesize-blocksize scenario, if i_size occurs in a block which is not
the last block in the page, then the space to be reserved should be calculated
appropriately.
Signed-off-by: Chandan Rajendra
---
fs/btrfs/inode.c | 33 ++---
1 file changed, 22 insertions(+),
From: Chandra Seetharaman
This patch allows mounting filesystems with blocksize smaller than the
PAGE_SIZE.
Signed-off-by: Chandra Seetharaman
Signed-off-by: Chandan Rajendra
---
fs/btrfs/disk-io.c | 6 --
1 file changed, 6 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.
While at it, this commit changes btrfs_truncate_page() to truncate sectorsized
blocks instead of pages. Hence the function has been renamed to
btrfs_truncate_block().
Signed-off-by: Chandan Rajendra
---
fs/btrfs/ctree.h | 2 +-
fs/btrfs/file.c | 41 ++---
fs
Previous commit: btrfs: Fix and enhance merge_extent_mapping() to insert
best fitted extent map
is using wrong condition to judgement whether the range is a subset of a
existing extent map.
This may cause bug in btrfs no-holes mode.
This patch will correct the judgment and fix the bug.
Signed-of
Hello my Dear,
I will greatly appreciate my correspondence meets you in good health condition.
My name is Mr. Benjamin Siaka. I am seeking for your co-operation for
investment partnership in your Country. I shall provide the FUND for the
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This patch and the previous one(The following patch) also fixed a oops, which
can be reproduced
by LTP stress test(ltpstress.sh + fsstress).
[PATCH] btrfs: Fix and enhance merge_extent_mapping() to insert best fitted
extent map
Thanks
Miao
On Mon, 22 Sep 2014 09:13:03 +0800, Qu Wenruo wrote:
>
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