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-rw-r--r--Documentation/filesystems/f2fs.txt19
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index 273ccb26885e..13c2ff034348 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -164,6 +164,16 @@ io_bits=%u Set the bit size of write IO requests. It should be set
with "mode=lfs".
usrquota Enable plain user disk quota accounting.
grpquota Enable plain group disk quota accounting.
+prjquota Enable plain project quota accounting.
+usrjquota=<file> Appoint specified file and type during mount, so that quota
+grpjquota=<file> information can be properly updated during recovery flow,
+prjjquota=<file> <quota file>: must be in root directory;
+jqfmt=<quota type> <quota type>: [vfsold,vfsv0,vfsv1].
+offusrjquota Turn off user journelled quota.
+offgrpjquota Turn off group journelled quota.
+offprjjquota Turn off project journelled quota.
+quota Enable plain user disk quota accounting.
+noquota Disable all plain disk quota option.
================================================================================
DEBUGFS ENTRIES
@@ -209,6 +219,15 @@ Files in /sys/fs/f2fs/<devname>
gc_idle = 1 will select the Cost Benefit approach
& setting gc_idle = 2 will select the greedy approach.
+ gc_urgent This parameter controls triggering background GCs
+ urgently or not. Setting gc_urgent = 0 [default]
+ makes back to default behavior, while if it is set
+ to 1, background thread starts to do GC by given
+ gc_urgent_sleep_time interval.
+
+ gc_urgent_sleep_time This parameter controls sleep time for gc_urgent.
+ 500 ms is set by default. See above gc_urgent.
+
reclaim_segments This parameter controls the number of prefree
segments to be reclaimed. If the number of prefree
segments is larger than the number of segments