kernel_optimize_test/fs
Chao Yu e3080b0120 f2fs: support subsectional garbage collection
Section is minimal garbage collection unit of f2fs, in zoned block
device, or ancient block mapping flash device, in order to improve
GC efficiency, we can align GC unit to lower device erase unit,
normally, it consists of multiple of segments.

Once background or foreground GC triggers, it brings a large number
of IOs, which will impact user IO, and also occupy cpu/memory resource
intensively.

So, to reduce impact of GC on large size section, this patch supports
subsectional GC, in one cycle of GC, it only migrate partial segment{s}
in victim section. Currently, by default, we use sbi->segs_per_sec as
migration granularity.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2018-11-26 15:53:55 -08:00
..
9p Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-11-01 19:58:52 -07:00
adfs
affs
afs rxrpc: Fix life check 2018-11-15 11:35:40 -08:00
autofs
befs
bfs bfs: add sanity check at bfs_fill_super() 2018-11-03 10:09:38 -07:00
btrfs for-4.20-rc1-tag 2018-11-11 16:54:38 -06:00
cachefiles
ceph libceph: assume argonaut on the server side 2018-11-08 17:51:11 +01:00
cifs cifs: fix signed/unsigned mismatch on aio_read patch 2018-11-02 14:09:42 -05:00
coda
configfs
cramfs Make the Cramfs code more robust against filesystem corruptions, 2018-10-30 12:46:25 -07:00
crypto
debugfs
devpts
dlm
ecryptfs
efivarfs
efs
exofs
exportfs
ext2 \n 2018-10-29 10:23:36 -07:00
ext4 A large number of ext4 bug fixes, mostly buffer and memory leaks on 2018-11-11 16:53:02 -06:00
f2fs f2fs: support subsectional garbage collection 2018-11-26 15:53:55 -08:00
fat fat: truncate inode timestamp updates in setattr 2018-10-31 08:54:14 -07:00
freevxfs
fscache
fuse fuse: fix use-after-free in fuse_direct_IO() 2018-11-09 15:52:17 +01:00
gfs2 Merge tag 'gfs2-4.20.fixes3' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 2018-11-16 11:38:14 -06:00
hfs fs/hfs/extent.c: fix array out of bounds read of array extent 2018-10-31 08:54:13 -07:00
hfsplus hfsplus: update timestamps on truncate() 2018-10-31 08:54:13 -07:00
hostfs
hpfs
hugetlbfs
isofs
jbd2
jffs2
jfs
kernfs
lockd lockd: fix access beyond unterminated strings in prints 2018-10-29 16:58:04 -04:00
minix
nfs flexfiles: use per-mirror specified stateid for IO 2018-11-22 14:04:55 -05:00
nfs_common
nfsd nfsd: COPY and CLONE operations require the saved filehandle to be set 2018-11-08 12:11:45 -05:00
nilfs2 nilfs2: Use xa_erase_irq 2018-11-05 14:57:05 -05:00
nls
notify fanotify: fix handling of events on child sub-directory 2018-11-08 15:43:48 +01:00
ntfs
ocfs2 ocfs2: free up write context when direct IO failed 2018-11-18 10:15:09 -08:00
omfs
openpromfs
orangefs Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-11-01 19:58:52 -07:00
overlayfs vfs: rework data cloning infrastructure 2018-11-02 09:33:08 -07:00
proc New gcc plugin: stackleak 2018-11-01 11:46:27 -07:00
pstore mm: remove CONFIG_HAVE_MEMBLOCK 2018-10-31 08:54:15 -07:00
qnx4
qnx6
quota
ramfs
reiserfs reiserfs: remove workaround code for GCC 3.x 2018-10-31 08:54:14 -07:00
romfs
squashfs
sysfs
sysv
tracefs
ubifs
udf
ufs
xfs xfs: delalloc -> unwritten COW fork allocation can go wrong 2018-11-21 10:10:53 -08:00
aio.c
anon_inodes.c
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c
binfmt_elf.c
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
block_dev.c
buffer.c for-linus-20181102 2018-11-02 11:25:48 -07:00
char_dev.c
compat_binfmt_elf.c
compat_ioctl.c media updates for v4.20-rc1 2018-10-29 14:29:58 -07:00
compat.c
coredump.c
d_path.c
dax.c dax: Avoid losing wakeup in dax_lock_mapping_entry 2018-11-19 09:40:58 -05:00
dcache.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
dcookies.c
direct-io.c
drop_caches.c
eventfd.c
eventpoll.c
exec.c exec: make de_thread() freezable 2018-11-19 11:28:10 +01:00
fcntl.c
fhandle.c
file_table.c
file.c
filesystems.c
fs_pin.c
fs_struct.c
fs-writeback.c
inode.c mm: don't reclaim inodes with many attached pages 2018-11-18 10:15:09 -08:00
internal.h
ioctl.c vfs: rework data cloning infrastructure 2018-11-02 09:33:08 -07:00
iomap.c iomap: readpages doesn't zero page tail beyond EOF 2018-11-21 10:10:54 -08:00
Kconfig
Kconfig.binfmt
libfs.c
locks.c
Makefile
mbcache.c
mount.h
mpage.c
namei.c
namespace.c mnt: fix __detach_mounts infinite loop 2018-11-12 01:02:34 -06:00
no-block.c
nsfs.c
open.c
pipe.c
pnode.c
pnode.h
posix_acl.c
proc_namespace.c
read_write.c vfs: vfs_dedupe_file_range() doesn't return EOPNOTSUPP 2018-11-21 10:10:54 -08:00
readdir.c
select.c
seq_file.c
signalfd.c
splice.c
stack.c
stat.c
statfs.c
super.c
sync.c
timerfd.c
userfaultfd.c
utimes.c
xattr.c