similar to: [PATCH] Btrfs: cache extent state in find_delalloc_range

Liu fixed part of this problem and unfortunately I steered him in slightly the wrong direction and so didn''t completely fix the problem. The problem is we limit the size of the delalloc range we are looking for to max bytes and then we try to lock that range. If we fail to lock the pages in that range we will shrink the max bytes to a single page and re loop. However if our first page

So both Liu and I made huge messes of find_lock_delalloc_range trying to fix stuff, me first by fixing extent size, then him by fixing something I broke and then me again telling him to fix it a different way. So this is obviously a candidate for some testing. This patch adds a pseudo fs so we can allocate fake inodes for tests that need an inode or pages. Then it addes a bunch of tests to make

The inode eviction can be very slow, because during eviction we tell the VFS to truncate all of the inode''s pages. This results in calls to btrfs_invalidatepage() which in turn does calls to lock_extent_bits() and clear_extent_bit(). These calls result in too many merges and splits of extent_state structures, which consume a lot of time and cpu when the inode has many pages. In some

Hi all - The following 9 patches add more error handling to the btrfs code: - Add btrfs_panic - Catch locking failures in {set,clear}_extent_bit - Push up set_extent_bit errors to callers - Push up lock_extent errors to callers - Push up clear_extent_bit errors to callers - Push up unlock_extent errors to callers - Make pin_down_extent return void - Push up btrfs_pin_extent errors to

We''re going to use this flag EXTENT_DEFRAG to indicate which range belongs to defragment so that we can implement snapshow-aware defrag: We set the EXTENT_DEFRAG flag when dirtying the extents that need defragmented, so later on writeback thread can differentiate between normal writeback and writeback started by defragmentation. This patch is used for the latter one. Originally patch

We currently have this problem where you can truncate pages that have not yet been written for an ordered extent. We do this because the truncate will be coming behind to clean us up anyway so what''s the harm right? Well if truncate fails for whatever reason we leave an orphan item around for the file to be cleaned up later. But if the user goes and truncates up the file and tries to

The variable ''last_index'' is calculated in the __btrfs_buffered_write function and passed as a parameter to the prepare_pages function, but is not used anywhere in the prepare_pages function. Remove instances of ''last_index'' in these functions. Signed-off-by: Mitch Harder <mitch.harder@sabayonlinux.org> --- fs/btrfs/file.c | 7 ++----- 1 files

Hi all - Here''s my current error handling patchset, against 3.1-rc8. Almost all of this patchset is preparing for actual error handling. Before we start in on that work, I''m trying to reduce the surface we need to worry about. It turns out that there is a ton of code that returns an error code but never actually reports an error. The patchset has grown to 65 patches. 46 of them

I noticed a huge problem with the free space cache that was presenting as an early ENOSPC. Turns out when writing the free space cache out I forgot to take into account pinned extents and more importantly clusters. This would result in us leaking free space everytime we unmounted the filesystem and remounted it. I fix this by making sure to check and see if the current block group has a cluster

We forget to clear inode''s dirty_bytes and EXTENT_DIRTY at the end of write. Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> --- fs/btrfs/file.c | 1 - fs/btrfs/inode.c | 5 ++++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index e7872e4..3f3b4a8 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1150,7 +1150,6 @@

This patch adds the support for the notification of HD-audio hotplug via the already existing drm_audio_component framework. This allows us more reliable hotplug notification and ELD transfer without accessing HD-audio bus; it's more efficient, and more importantly, it works without waking up the runtime PM. The implementation is rather simplistic: nouveau driver provides the get_eld ops for

This patch finally gives us full proper -ENOSPC handling for btrfs. Now whenever you do a btrfs_start_transaction, you must specify the number of items you are planning to add/delete/modify. The worst case number of blocks that could be modified by changing that number of items will be calculated and checked against the amount of free space in the space_info where the root you are modifying

Hi, After updating some of our director servers from 2.2.36 to 2.3.3 (dcead646b) we experience crashes in about 1/5000 mails in lmtp delivery: Nov 13 12:23:36 Fatal: lmtp(113620): master: service(lmtp): child 113620 killed with signal 6 (core dumped) Nov 13 12:23:36 Panic: lmtp(113623): file ostream-dot.c: line 208 (o_stream_dot_sendv): assertion failed: ((size_t)ret == sent + added) Nov 13

The original truncation of btrfs has a bug, that is the orphan item will not be dropped when the truncation fails. This bug will trigger BUG() when unlink that truncated file. And besides that, if the user does pre-allocation for the file which is truncated unsuccessfully, after re-mount(umount-mount, not -o remount), the pre-allocated extent will be dropped. This patch modified the relative

Since the commit 742db30c4ee6 ("drm/nouveau: Add HD-audio component notifier support"), the nouveau driver notifies and pokes the HD-audio HPD and ELD via audio component, but this seems broken. The culprit is the naive assumption that crtc->index corresponds to the HDA pin. Actually this rather corresponds to the MST dev_id (alias "pipe" in the audio component framework)

We''ve been hitting BUG()''s in btrfs_cont_expand and btrfs_fallocate and anywhere else that calls btrfs_get_extent while running xfstests 13 in a loop. This is because fiemap is calling btrfs_get_extent with non-sectorsize aligned offsets, which will end up adding mappings that are not sectorsize aligned, which will cause problems in some cases for subsequent calls to

On Sat, Mar 26, 2016 at 11:31 PM, Jeffrey Tan <jeffrey.fudan at gmail.com> wrote: > Thanks David. I meant to send to lldb maillist, but glad to hear response > here. > > Our binary is built from gcc: > String dump of section '.comment': > [ 1] GCC: (GNU) 4.9.x-google 20150123 (prerelease) > > Is there any similar flags we should use? > If it's

Hi, While dogfooding our lldb based IDE on Linux, I am seeing a lot of variable evaluation errors related to DW_TAG_member which prevents us from release the IDE. Can anyone help to confirm if they are known issues? If not, any information you need to troubleshoot this issue? Here is one example: (lldb) fr v *error: biggrep_master_server_async 0x10b9a91a: DW_TAG_member '_M_pod_data'

Thanks David. I meant to send to lldb maillist, but glad to hear response here. Our binary is built from gcc: String dump of section '.comment': [ 1] GCC: (GNU) 4.9.x-google 20150123 (prerelease) Is there any similar flags we should use? By doing "strings -a [binary] | grep -i gcc", I found the following flags being used: GNU C++ 4.9.x-google 20150123 (prerelease)

I'm running Dovecot as proxy in front of some IMAP/POP3 Dovecot & Courier-IMAP servers and in the last couple of days I've been seeing a lot of imap-login crashes (signal 11) on both 2.2.18 and 2.2.25, all SSL related. The following backtraces are taken running 2.2.25, built from source on a test system similar to the live proxy servers. OS: CentOS 6.8 64bit Packages: