Maxim Patlasov 6b2fb79963 fuse: optimize writepages search ... Re-work fi->writepages, replacing list with rb-tree. This improves performance because kernel fuse iterates through fi->writepages for each writeback page and typical number of entries is about 800 (for 100MB of fuse writeback). Before patch: 10240+0 records in 10240+0 records out 10737418240 bytes (11 GB) copied, 41.3473 s, 260 MB/s 2 1 0 57445400 40416 6323676 0 0 33 374743 8633 19210 1 8 88 3 0 29.86% [kernel] [k] _raw_spin_lock 26.62% [fuse] [k] fuse_page_is_writeback After patch: 10240+0 records in 10240+0 records out 10737418240 bytes (11 GB) copied, 21.4954 s, 500 MB/s 2 9 0 53676040 31744 10265984 0 0 64 854790 10956 48387 1 6 88 6 0 23.55% [kernel] [k] copy_user_enhanced_fast_string 9.87% [kernel] [k] __memcpy 3.10% [kernel] [k] _raw_spin_lock Signed-off-by: Maxim Patlasov <mpatlasov@virtuozzo.com> Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>		2020-05-19 14:50:38 +02:00
..
acl.c	fuse: Support fuse filesystems outside of init_user_ns	2018-03-20 17:11:44 +01:00
control.c	convenience helper: get_tree_single()	2019-07-04 22:01:58 -04:00
cuse.c	fuse: use true,false for bool variable	2020-02-06 16:39:28 +01:00
dev.c	fuse: don't check refcount after stealing page	2020-05-19 14:50:37 +02:00
dir.c	fuse: always allow query of st_dev	2020-05-19 14:50:37 +02:00
file.c	fuse: optimize writepages search	2020-05-19 14:50:38 +02:00
fuse_i.h	fuse: optimize writepages search	2020-05-19 14:50:38 +02:00
inode.c	fuse: update attr_version counter on fuse_notify_inval_inode()	2020-05-19 14:50:38 +02:00
Kconfig	fuse: fix Kconfig indentation	2019-11-27 09:35:20 +01:00
Makefile	virtio-fs: Change module name to virtiofs.ko	2019-10-14 10:20:33 +02:00
readdir.c	fuse: use true,false for bool variable	2020-02-06 16:39:28 +01:00
virtio_fs.c	virtiofs: do not use fuse_fill_super_common() for device installation	2020-05-19 14:50:37 +02:00
xattr.c	fuse: rearrange and resize fuse_args fields	2019-09-10 16:29:48 +02:00