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* [f2fs-dev] [PATCH] f2fs: add missing documents of reserve_root/resuid/resgid
@ 2019-08-27 10:17 Chao Yu
  0 siblings, 0 replies; only message in thread
From: Chao Yu @ 2019-08-27 10:17 UTC (permalink / raw)
  To: jaegeuk; +Cc: linux-kernel, linux-f2fs-devel

Add missing documents.

Fixes: 7e65be49ed94f ("f2fs: add reserved blocks for root user")
Fixes: 7c2e59632b846 ("f2fs: add resgid and resuid to reserve root blocks")
Signed-off-by: Chao Yu <>
 Documentation/filesystems/f2fs.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index 5fa38ab373ca..7e1991328473 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -157,6 +157,11 @@ noinline_data          Disable the inline data feature, inline data feature is
                        enabled by default.
 data_flush             Enable data flushing before checkpoint in order to
                        persist data of regular and symlink.
+reserve_root=%d        Support configuring reserved space which is used for
+                       allocation from a privileged user with specified uid or
+                       gid, unit: 4KB, the default limit is 0.2% of user blocks.
+resuid=%d              The user ID which may use the reserved blocks.
+resgid=%d              The group ID which may use the reserved blocks.
 fault_injection=%d     Enable fault injection in all supported types with
                        specified injection rate.
 fault_type=%d          Support configuring fault injection type, should be

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2019-08-27 10:17 [f2fs-dev] [PATCH] f2fs: add missing documents of reserve_root/resuid/resgid Chao Yu

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