On Tue, Mar 26, 2013 at 07:49:16AM -0600, Stefan Priebe - Profihost AG wrote:
> Hi Josef,
>
>
> Am 26.03.2013 14:30, schrieb Josef Bacik:
> > On Tue, Mar 26, 2013 at 06:55:23AM -0600, Stefan Priebe - Profihost AG wrote:
> >> Hi Josef,
> >>
> >> Am 26.03.2013 13:53, schrieb Josef Bacik:
> >>> On Tue, Mar 26, 2013 at 01:45:42AM -0600, Stefan Priebe wrote:
> >>>> Hi,
> >>>>
> >>>> output here:
> >>>> [ 590.546162] returning enospc, space_info 3, size 0 reserved 0, flush
> >>>> 2, flush_state 7 dumping space info
> >>>> [ 590.548280] space_info 4 has 6439292928 free, is full
> >>>> [ 590.548283] space_info total=25748307968, used=19308916736, pinned=0,
> >>>> reserved=32768, may_use=6438354944, readonly=65536
> >>>> [ 590.550147] returning enospc, space_info 3, size 0 reserved 0, flush
> >>>> 2, flush_state 7 dumping space info
> >>>> [ 590.552264] space_info 4 has 6439284736 free, is full
> >>>> [ 590.552267] space_info total=25748307968, used=19308916736, pinned=0,
> >>>> reserved=40960, may_use=6438354944, readonly=65536
> >>>> [ 590.554141] returning enospc, space_info 3, size 0 reserved 0, flush
> >>>> 2, flush_state 7 dumping space info
> >>>> [ 590.556258] space_info 4 has 6439284736 free, is full
> >>>> [ 590.556261] space_info total=25748307968, used=19308916736, pinned=0,
> >>>> reserved=40960, may_use=6438354944, readonly=65536
> >>>> [ 591.145255] returning enospc, space_info 3, size 0 reserved 0, flush
> >>>> 2, flush_state 7 dumping space info
> >>>> [ 591.147373] space_info 4 has 6439235584 free, is full
> >>>> [ 591.147375] space_info total=25748307968, used=19308916736, pinned=0,
> >>>> reserved=90112, may_use=6438354944, readonly=65536
> >>>> [ 595.560257] returning enospc, space_info 3, size 0 reserved 0, flush
> >>>> 2, flush_state 7 dumping space info
> >>>> [ 595.562390] space_info 4 has 6439120896 free, is full
> >>>> [ 595.562393] space_info total=25748307968, used=19309047808, pinned=0,
> >>>> reserved=73728, may_use=6438297600, readonly=65536
> >>>>
> >>>
> >>> Weird, we have all the flushing stuff set and yet there is still a whole lot of
> >>> outstanding reservations. Do you have compression enabled? Thanks,
> >>
> >> no - it's just mounted with mount -o noatime
> >>
> >> :~# cat /proc/mounts | grep btrfs
> >> /dev/mapper/raid54tb1 /mnt btrfs rw,noatime,space_cache 0 0
> >>
> >
> > Ok I think I see what's going on. Can you try this patch and see if it fixes
> > it? Thanks,
>
> It still does not fix the problem.
>
> The rsync output looks like this so it does not work for file a but then
> continues on c d e, ...
>
> sync -av --progress /backup/ /mnt/
> sending incremental file list
> .etc_openvpn/ipp.txt
> 229 100% 3.99kB/s 0:00:00 (xfer#2, to-check=1009/1196)
> .etc_openvpn/openvpn-status.log
> 360 100% 6.28kB/s 0:00:00 (xfer#3, to-check=1007/1196)
> rsync: rename "/mnt/.etc_openvpn/.ipp.txt.t9lucX" ->
> ".etc_openvpn/ipp.txt": No space left on device (28)
> .log/
> .log/UcliEvt.log
> 104188 100% 147.67kB/s 0:00:00 (xfer#4, to-check=1131/2700)
> .log/auth.log
> 15211522 100% 2.97MB/s 0:00:04 (xfer#5, to-check=1105/2700)
> .log/auth.log.1
> 19431424 61% 7.35MB/s 0:00:01
>
> the dmesg output looks like this:
> [ 551.321576] returning enospc, space_info 3, size 0 reserved 0, flush
> 2, flush_state 7 dumping space info
> [ 551.323694] space_info 4 has 6439526400 free, is full
> [ 551.323696] space_info total=25748307968, used=19308666880, pinned=0,
> reserved=49152, may_use=6438453248, readonly=65536
>
Ok so then this is probably it, let me know if it helps. Thanks,
Josef
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index dc08d77..005c45d 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -557,6 +557,7 @@ void btrfs_wait_ordered_extents(struct btrfs_root *root, int delay_iput)
INIT_LIST_HEAD(&splice);
INIT_LIST_HEAD(&works);
+ mutex_lock(&root->fs_info->ordered_operations_mutex);
spin_lock(&root->fs_info->ordered_extent_lock);
list_splice_init(&root->fs_info->ordered_extents, &splice);
while (!list_empty(&splice)) {
@@ -600,6 +601,7 @@ void btrfs_wait_ordered_extents(struct btrfs_root *root, int delay_iput)
cond_resched();
}
+ mutex_unlock(&root->fs_info->ordered_operations_mutex);
}
/*
--
1.7.7.6
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