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Commit ba0697ec authored by Jaegeuk Kim's avatar Jaegeuk Kim
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f2fs: add description about small_discards in document 



This patch adds a description about small_disacrds in the f2fs document.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 5459aa97

Documentation/filesystems/f2fs.txt

+6 −0
Original line number Diff line number Diff line
@@ -171,6 +171,12 @@ Files in /sys/fs/f2fs/<devname> 
			      conduct checkpoint to reclaim the prefree segments

			      to free segments. By default, 100 segments, 200MB.



 max_small_discards	      This parameter controls the number of discard

			      commands that consist small blocks less than 2MB.

			      The candidates to be discarded are cached until

			      checkpoint is triggered, and issued during the

			      checkpoint. By default, it is disabled with 0.



 ipu_policy                   This parameter controls the policy of in-place

                              updates in f2fs. There are five policies:

                               0: F2FS_IPU_FORCE, 1: F2FS_IPU_SSR,