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authorChao Yu <yuchao0@huawei.com>2016-07-03 17:05:14 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2016-07-08 20:33:26 +0300
commit64058be9c8e3579d7055e0b01d2bd9b294db3998 (patch)
tree921726f67456c7723bc6291d9f700a4f0b5a24ba /Documentation/filesystems/f2fs.txt
parent72e1c797b57da42ce8f75c5636720f40c4f607a2 (diff)
downloadlinux-64058be9c8e3579d7055e0b01d2bd9b294db3998.tar.xz
f2fs: add nodiscard mount option
This patch adds 'nodiscard' mount option. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation/filesystems/f2fs.txt')
-rw-r--r--Documentation/filesystems/f2fs.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index 3a5ce24021d9..ecd808088362 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -109,7 +109,9 @@ background_gc=%s Turn on/off cleaning operations, namely garbage
disable_roll_forward Disable the roll-forward recovery routine
norecovery Disable the roll-forward recovery routine, mounted read-
only (i.e., -o ro,disable_roll_forward)
-discard Issue discard/TRIM commands when a segment is cleaned.
+discard/nodiscard Enable/disable real-time discard in f2fs, if discard is
+ enabled, f2fs will issue discard/TRIM commands when a
+ segment is cleaned.
no_heap Disable heap-style segment allocation which finds free
segments for data from the beginning of main area, while
for node from the end of main area.