Displaying 1 result from an estimated 1 matches for "fadvise_hint".
2013 Jan 21
1
btrfs_start_delalloc_inodes livelocks when creating snapshot under IO
...t my setup:
I am testing for-linus Chris''s branch
I have one subvolume with 8 large files (10GB each).
I am running two fio processes (one per file, so only 2 out of 8 files
are involved) with 8 threads each like this:
fio --thread --directory=/btrfs/subvol1 --rw=randwrite --randrepeat=1
--fadvise_hint=0 --fallocate=posix --size=1000m --filesize=10737418240
--bsrange=512b-64k --scramble_buffers=1 --nrfiles=1 --overwrite=1
--ioengine=sync --filename=file-1 --name=job0 --name=job1 --name=job2
--name=job3 --name=job4 --name=job5 --name=job6 --name=job7
The files are preallocated with fallocate befor...