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f2fs: update f2fs.txt related with discard at mkfs

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o mkfs.f2fs supports no discard option.
 o fixed volume label size in 512 bytes.

Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Changman Lee 2013-04-03 15:26:49 +09:00 committed by Jaegeuk Kim
parent cfb185a148
commit 1571f84a1f
1 changed files with 3 additions and 1 deletions
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Documentation/filesystems/f2fs.txt
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@ -146,7 +146,7 @@ USAGE
Format options Format options
-------------- --------------
-l [label] : Give a volume label, up to 256 unicode name. -l [label] : Give a volume label, up to 512 unicode name.
-a [0 or 1] : Split start location of each area for heap-based allocation. -a [0 or 1] : Split start location of each area for heap-based allocation.
1 is set by default, which performs this. 1 is set by default, which performs this.
-o [int] : Set overprovision ratio in percent over volume size. -o [int] : Set overprovision ratio in percent over volume size.
@ -156,6 +156,8 @@ Format options
-z [int] : Set the number of sections per zone. -z [int] : Set the number of sections per zone.
1 is set by default. 1 is set by default.
-e [str] : Set basic extension list. e.g. "mp3,gif,mov" -e [str] : Set basic extension list. e.g. "mp3,gif,mov"
-t [0 or 1] : Disable discard command or not.
1 is set by default, which conducts discard.
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