Chao Yu 20ee438232 f2fs: issue small discard by LBA order ...

For small granularity discard which size is smaller than 64KB, if we
issue those kind of discards orderly by size, their IOs will be spread
into entire logical address, so that in FTL, L2P table will be updated
randomly, result bad wear rate in the table.

In this patch, we choose to issue small discard by LBA order, by this
way, we can expect that L2P table updates from adjacent discard IOs can
be merged in the cache, so it can reduce lifetime wearing of flash.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

2018-08-01 11:52:36 -07:00

..

acl.c

posix_acl: convert posix_acl.a_refcount from atomic_t to refcount_t

2018-01-02 19:27:28 -08:00

acl.h

f2fs: remove dead code f2fs_check_acl

2016-09-14 16:52:36 -07:00

checkpoint.c

f2fs: fix to do sanity check with block address in main area

2018-08-01 11:52:32 -07:00

data.c

f2fs: fix to do sanity check with block address in main area

2018-08-01 11:52:32 -07:00

debug.c

f2fs: Allocate and stat mem used by free nid bitmap more accurately

2018-07-28 18:23:26 -07:00

dir.c

f2fs: clean up symbol namespace

2018-05-31 11:31:53 -07:00

extent_cache.c

f2fs: clean up symbol namespace

2018-05-31 11:31:53 -07:00

f2fs.h

f2fs: issue small discard by LBA order

2018-08-01 11:52:36 -07:00

file.c

f2fs: fix to do sanity check with block address in main area

2018-08-01 11:52:32 -07:00

gc.c

f2fs: fix to skip GC if type in SSA and SIT is inconsistent

2018-07-28 18:26:08 -07:00

gc.h

f2fs: introduce sbi->gc_mode to determine the policy

2018-05-31 11:31:51 -07:00

hash.c

f2fs: check entire encrypted bigname when finding a dentry

2017-05-04 11:44:35 -04:00

inline.c

f2fs: fix to do sanity check with reserved blkaddr of inline inode

2018-07-28 18:26:08 -07:00

inode.c

f2fs: clean up with IS_INODE()

2018-08-01 11:52:36 -07:00

Kconfig

fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at

2018-01-01 12:45:37 -07:00

Makefile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

namei.c

f2fs: Replace strncpy with memcpy

2018-07-28 18:26:08 -07:00

node.c

f2fs: fix to do sanity check with block address in main area

2018-08-01 11:52:32 -07:00

node.h

f2fs: support in-memory inode checksum when checking consistency

2018-07-27 18:03:59 +09:00

recovery.c

f2fs: fix to detect looped node chain correctly

2018-08-01 11:52:36 -07:00

segment.c

f2fs: issue small discard by LBA order

2018-08-01 11:52:36 -07:00

segment.h

f2fs: fix to do sanity check with block address in main area

2018-08-01 11:52:32 -07:00

shrinker.c

f2fs: clean up symbol namespace

2018-05-31 11:31:53 -07:00

super.c

f2fs: enable real-time discard by default

2018-08-01 11:52:36 -07:00

sysfs.c

f2fs: fix defined but not used build warnings

2018-08-01 11:52:36 -07:00

trace.c

f2fs: fix potential hangtask in f2fs_trace_pid

2018-01-02 19:27:30 -08:00

trace.h

f2fs: add sbi and page pointer in f2fs_io_info

2015-05-28 15:41:32 -07:00

xattr.c

f2fs: clean up symbol namespace

2018-05-31 11:31:53 -07:00

xattr.h

f2fs: guard macro variables with braces

2017-04-10 19:48:10 -07:00