iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/fs/f2fs
History
Hyunchul Lee f2e703f9a3 f2fs: support passing down write hints to block layer with F2FS policy 
Add 'whint_mode=fs-based' mount option. In this mode, F2FS passes
down write hints with its policy.

* whint_mode=fs-based. F2FS passes down hints with its policy.

User                  F2FS                     Block
----                  ----                     -----
                      META                     WRITE_LIFE_MEDIUM;
                      HOT_NODE                 WRITE_LIFE_NOT_SET
                      WARM_NODE                "
                      COLD_NODE                WRITE_LIFE_NONE
ioctl(COLD)           COLD_DATA                WRITE_LIFE_EXTREME
extension list        "                        "

-- buffered io
WRITE_LIFE_EXTREME    COLD_DATA                WRITE_LIFE_EXTREME
WRITE_LIFE_SHORT      HOT_DATA                 WRITE_LIFE_SHORT
WRITE_LIFE_NOT_SET    WARM_DATA                WRITE_LIFE_LONG
WRITE_LIFE_NONE       "                        "
WRITE_LIFE_MEDIUM     "                        "
WRITE_LIFE_LONG       "                        "

-- direct io
WRITE_LIFE_EXTREME    COLD_DATA                WRITE_LIFE_EXTREME
WRITE_LIFE_SHORT      HOT_DATA                 WRITE_LIFE_SHORT
WRITE_LIFE_NOT_SET    WARM_DATA                WRITE_LIFE_NOT_SET
WRITE_LIFE_NONE       "                        WRITE_LIFE_NONE
WRITE_LIFE_MEDIUM     "                        WRITE_LIFE_MEDIUM
WRITE_LIFE_LONG       "                        WRITE_LIFE_LONG

Many thanks to Chao Yu and Jaegeuk Kim for comments to
implement this patch.

Signed-off-by: Hyunchul Lee <cheol.lee@lge.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2018-03-13 08:05:36 +09:00
..
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 clear CP_TRIMMED_FLAG
2018-03-13 08:05:34 +09:00
data.c
f2fs: support passing down write hints given by users to block layer
2018-03-13 08:05:35 +09:00
debug.c
f2fs: inject fault to kzalloc
2018-01-02 19:27:29 -08:00
dir.c
f2fs: don't put dentry page in pagecache into highmem
2018-03-13 08:05:03 +09:00
extent_cache.c
f2fs: fix to check extent cache in f2fs_drop_extent_tree
2018-03-13 08:05:32 +09:00
f2fs.h
f2fs: support passing down write hints to block layer with F2FS policy
2018-03-13 08:05:36 +09:00
file.c
f2fs: support inode creation time
2018-01-25 14:10:39 -08:00
gc.c
f2fs: fix heap mode to reset it back
2018-03-13 08:05:30 +09:00
gc.h
f2fs: add an ioctl to disable GC for specific file
2018-01-22 14:56:35 -08:00
hash.c
f2fs: check entire encrypted bigname when finding a dentry
2017-05-04 11:44:35 -04:00
inline.c
f2fs: don't put dentry page in pagecache into highmem
2018-03-13 08:05:03 +09:00
inode.c
f2fs: don't put dentry page in pagecache into highmem
2018-03-13 08:05:03 +09:00
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: don't put dentry page in pagecache into highmem
2018-03-13 08:05:03 +09:00
node.c
f2fs: use GFP_F2FS_ZERO for cleanup
2018-01-25 10:39:49 -08:00
node.h
f2fs: allow to recover node blocks given updated checkpoint
2018-01-22 14:56:59 -08:00
recovery.c
f2fs: don't put dentry page in pagecache into highmem
2018-03-13 08:05:03 +09:00
segment.c
f2fs: support passing down write hints to block layer with F2FS policy
2018-03-13 08:05:36 +09:00
segment.h
f2fs: rebuild sit page from sit info in mem
2018-01-25 10:44:34 -08:00
shrinker.c
f2fs: obsolete ALLOC_NID_LIST list
2017-10-10 12:49:53 -07:00
super.c
f2fs: support passing down write hints to block layer with F2FS policy
2018-03-13 08:05:36 +09:00
sysfs.c
f2fs: support inode creation time
2018-01-25 14:10:39 -08:00
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: correct removexattr behavior for null valued extended attribute
2018-01-22 14:56:57 -08:00
xattr.h
f2fs: guard macro variables with braces
2017-04-10 19:48:10 -07:00