Searched hist:c1ce1b02bb25640567dc484dc94d3a195d21e705 (Results 1 – 1 of 1) sorted by relevance
| /linux/fs/f2fs/ |
| H A D | super.c | diff c1ce1b02bb25640567dc484dc94d3a195d21e705 Thu Sep 11 01:53:02 CEST 2014 Jaegeuk Kim <jaegeuk@kernel.org> f2fs: give an option to enable in-place-updates during fsync to users
If user wrote F2FS_IPU_FSYNC:4 in /sys/fs/f2fs/ipu_policy, f2fs_sync_file
only starts to try in-place-updates.
And, if the number of dirty pages is over /sys/fs/f2fs/min_fsync_blocks, it
keeps out-of-order manner. Otherwise, it triggers in-place-updates.
This may be used by storage showing very high random write performance.
For example, it can be used when,
Seq. writes (Data) + wait + Seq. writes (Node)
is pretty much slower than,
Rand. writes (Data)
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
|