On Wed, Mar 20, 2019 at 02:27:40PM +0800, Qu Wenruo wrote: > Just add one extra line to show when the corruption is detected. > Currently only read time detection is possible. > > The planned distinguish line would be: > read time: > <detail report> > block=XXXXX read time tree block corruption detected > > write time: > <detail report> > block=XXXXX write time tree block corruption detected > > Signed-off-by: Qu Wenruo <wqu@xxxxxxxx> > Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx> > Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx> > --- > fs/btrfs/disk-io.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c > index 6a7a1e168169..e8d4e238f832 100644 > --- a/fs/btrfs/disk-io.c > +++ b/fs/btrfs/disk-io.c > @@ -659,6 +659,10 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, > > if (!ret) > set_extent_buffer_uptodate(eb); > + else > + btrfs_err(fs_info, > + "block=%llu read time tree block corruption detected", This showed up in test btrfs/124, the logs below do not contain the selftests outpt, that runs twice, only the last line is kept for reference. That's the only message from the read/write time checks, the branch is misc-next. [ 5432.522317] BTRFS: selftest: running extent_map tests [ 5432.573684] BTRFS: device fsid 519acff4-bdb4-4459-87b6-8f64ab1360cf devid 1 transid 7 /dev/vdb [ 5432.578232] BTRFS info (device vdb): allowing degraded mounts [ 5432.579703] BTRFS info (device vdb): disk space caching is enabled [ 5432.581348] BTRFS info (device vdb): has skinny extents [ 5432.583483] BTRFS warning (device vdb): devid 2 uuid dc83669e-dff7-4dee-bcc6-dbef1f470896 is missing [ 5432.586115] BTRFS warning (device vdb): devid 2 uuid dc83669e-dff7-4dee-bcc6-dbef1f470896 is missing [ 5513.939435] BTRFS: device fsid af58e3f0-8011-4d2a-b2bd-fc956d458a75 devid 1 transid 238 /dev/vda [ 5513.992006] BTRFS info (device vdb): disk space caching is enabled [ 5513.994398] BTRFS info (device vdb): has skinny extents [ 5514.022526] BTRFS critical (device vdb): corrupt leaf: root=7 block=30474240 slot=0, invalid nritems, have 0 should not be 0 for non-root leaf [ 5514.028271] BTRFS error (device vdb): block=30474240 read time tree block corruption detected [ 5514.031529] BTRFS info (device vdb): read error corrected: ino 0 off 30474240 (dev /dev/vdc sector 18560) [ 5514.034133] BTRFS info (device vdb): read error corrected: ino 0 off 30478336 (dev /dev/vdc sector 18568) [ 5514.036662] BTRFS info (device vdb): read error corrected: ino 0 off 30482432 (dev /dev/vdc sector 18576) [ 5514.039784] BTRFS info (device vdb): read error corrected: ino 0 off 30486528 (dev /dev/vdc sector 18584) [ 5514.042383] BTRFS error (device vdb): bad tree block start, want 32210944 have 651061555542690057 [ 5514.044666] BTRFS info (device vdb): read error corrected: ino 0 off 32210944 (dev /dev/vdc sector 21952) [ 5514.047146] BTRFS info (device vdb): read error corrected: ino 0 off 32215040 (dev /dev/vdc sector 21960) [ 5514.049608] BTRFS info (device vdb): read error corrected: ino 0 off 32219136 (dev /dev/vdc sector 21968) [ 5514.052034] BTRFS info (device vdb): read error corrected: ino 0 off 32223232 (dev /dev/vdc sector 21976) [ 5514.056223] BTRFS error (device vdb): bad tree block start, want 32276480 have 0 [ 5514.058632] BTRFS info (device vdb): read error corrected: ino 0 off 32276480 (dev /dev/vdc sector 22080) [ 5514.060448] BTRFS info (device vdb): read error corrected: ino 0 off 32280576 (dev /dev/vdc sector 22088) [ 5514.064681] BTRFS info (device vdb): balance: start -d -m -s [ 5514.066309] BTRFS info (device vdb): relocating block group 2479882240 flags data [ 5514.068870] BTRFS error (device vdb): bad tree block start, want 31539200 have 723401728380766730 [ 5514.087183] BTRFS error (device vdb): bad tree block start, want 31457280 have 578721382704613384 [ 5514.087208] BTRFS error (device vdb): bad tree block start, want 31555584 have 723401728380766730 [ 5514.087244] BTRFS error (device vdb): bad tree block start, want 31522816 have 723401728380766730 [ 5514.107976] BTRFS error (device vdb): bad tree block start, want 31555584 have 723401728380766730 [ 5514.131715] BTRFS error (device vdb): bad tree block start, want 31440896 have 506381209866536711 [ 5514.131739] BTRFS error (device vdb): bad tree block start, want 31457280 have 578721382704613384 [ 5514.155830] BTRFS error (device vdb): bad tree block start, want 31457280 have 578721382704613384 [ 5527.886754] repair_io_failure: 54 callbacks suppressed [ 5527.886761] BTRFS info (device vdb): read error corrected: ino 0 off 32145408 (dev /dev/vdc sector 21824) [ 5527.895976] BTRFS info (device vdb): read error corrected: ino 0 off 32149504 (dev /dev/vdc sector 21832) [ 5527.899446] BTRFS info (device vdb): read error corrected: ino 0 off 32153600 (dev /dev/vdc sector 21840)
