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From: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
To: linux-ext4@vger.kernel.org
Cc: tytso@mit.edu, Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Subject: [PATCH 05/15] mke2fs, tune2fs: update man page with fast commit info
Date: Fri, 20 Nov 2020 11:15:56 -0800	[thread overview]
Message-ID: <20201120191606.2224881-6-harshadshirwadkar@gmail.com> (raw)
In-Reply-To: <20201120191606.2224881-1-harshadshirwadkar@gmail.com>

This patch adds information about fast commit feature in mke2fs and
tune2fs man pages.

Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
---
 misc/mke2fs.8.in  | 21 +++++++++++++++++++++
 misc/tune2fs.8.in | 25 +++++++++++++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/misc/mke2fs.8.in b/misc/mke2fs.8.in
index e6bfc6d6..2833b408 100644
--- a/misc/mke2fs.8.in
+++ b/misc/mke2fs.8.in
@@ -521,6 +521,27 @@ The size of the journal must be at least 1024 filesystem blocks
 and may be no more than 10,240,000 filesystem blocks or half the total
 file system size (whichever is smaller)
 .TP
+.BI fast_commit_size= fast-commit-size
+Create an additional fast commit journal area of size
+.I fast-commit-size
+kilobytes.
+This option is only valid if
+.B fast_commit
+feature is enabled
+on the file system. If this option is not specified and if
+.B fast_commit
+feature is turned on, fast commit area size defaults to
+.I journal-size
+/ 64 megabytes. The total size of the journal with
+.B fast_commit
+feature set is
+.I journal-size
++ (
+.I fast-commit-size
+* 1024) megabytes. The total journal size may be no more than
+10,240,000 filesystem blocks or half the total file system size
+(whichever is smaller).
+.TP
 .BI location =journal-location
 Specify the location of the journal.  The argument
 .I journal-location
diff --git a/misc/tune2fs.8.in b/misc/tune2fs.8.in
index 582d1da5..2114c623 100644
--- a/misc/tune2fs.8.in
+++ b/misc/tune2fs.8.in
@@ -357,6 +357,27 @@ and may be no more than 10,240,000 filesystem blocks.
 There must be enough free space in the filesystem to create a journal of
 that size.
 .TP
+.BI fast_commit_size= fast-commit-size
+Create an additional fast commit journal area of size
+.I fast-commit-size
+kilobytes.
+This option is only valid if
+.B fast_commit
+feature is enabled
+on the file system. If this option is not specified and if
+.B fast_commit
+feature is turned on, fast commit area size defaults to
+.I journal-size
+/ 64 megabytes. The total size of the journal with
+.B fast_commit
+feature set is
+.I journal-size
++ (
+.I fast-commit-size
+* 1024) megabytes. The total journal size may be no more than
+10,240,000 filesystem blocks or half the total file system size
+(whichever is smaller).
+.TP
 .BI location =journal-location
 Specify the location of the journal.  The argument
 .I journal-location
@@ -586,6 +607,10 @@ Setting the filesystem feature is equivalent to using the
 .B \-j
 option.
 .TP
+.TP
+.B fast_commit
+Enable fast commit journaling feature to improve fsync latency.
+.TP
 .B large_dir
 Increase the limit on the number of files per directory.
 .B Tune2fs
-- 
2.29.2.454.gaff20da3a2-goog


  parent reply	other threads:[~2020-11-20 19:16 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-20 19:15 [PATCH 00/15] Fast commits support for e2fsprogs Harshad Shirwadkar
2020-11-20 19:15 ` [PATCH 01/15] ext2fs: move calculate_summary_stats to ext2fs lib Harshad Shirwadkar
2020-12-02 16:47   ` Theodore Y. Ts'o
2020-11-20 19:15 ` [PATCH 02/15] ext2fs, e2fsck: add kernel endian-ness conversion macros Harshad Shirwadkar
2020-12-02 16:50   ` Theodore Y. Ts'o
2020-12-03 18:10     ` harshad shirwadkar
2020-11-20 19:15 ` [PATCH 03/15] e2fsck: port fc changes from kernel's recovery.c to e2fsck Harshad Shirwadkar
2020-12-02 16:54   ` Theodore Y. Ts'o
2020-11-20 19:15 ` [PATCH 04/15] mke2fs, dumpe2fs: make fast commit blocks configurable Harshad Shirwadkar
2020-12-02 18:29   ` Theodore Y. Ts'o
2020-11-20 19:15 ` Harshad Shirwadkar [this message]
2020-12-02 18:33   ` [PATCH 05/15] mke2fs, tune2fs: update man page with fast commit info Theodore Y. Ts'o
2020-12-10  5:24     ` harshad shirwadkar
2020-11-20 19:15 ` [PATCH 06/15] ext2fs: add new APIs needed for fast commits Harshad Shirwadkar
2020-12-02 18:44   ` Theodore Y. Ts'o
2020-12-10  1:45     ` harshad shirwadkar
2020-12-10 15:48       ` Theodore Y. Ts'o
2020-11-20 19:15 ` [PATCH 07/15] e2fsck: add function to rewrite extent tree Harshad Shirwadkar
2020-12-02 18:46   ` Theodore Y. Ts'o
2020-11-20 19:15 ` [PATCH 08/15] e2fsck: add fast commit setup code Harshad Shirwadkar
2020-12-02 18:48   ` Theodore Y. Ts'o
2020-11-20 19:16 ` [PATCH 09/15] e2fsck: add fast commit scan pass Harshad Shirwadkar
2020-11-20 19:16 ` [PATCH 10/15] e2fsck: add fast commit replay skeleton Harshad Shirwadkar
2020-11-20 19:16 ` [PATCH 11/15] e2fsck: add fc replay for link, unlink, creat tags Harshad Shirwadkar
2020-11-20 19:16 ` [PATCH 12/15] e2fsck: add replay for add_range, del_range, and inode tags Harshad Shirwadkar
2020-11-20 19:16 ` [PATCH 13/15] debugfs: add fast commit support to logdump Harshad Shirwadkar
2020-11-20 19:16 ` [PATCH 14/15] tests: add fast commit recovery tests Harshad Shirwadkar
2020-11-20 19:16 ` [PATCH 15/15] ext4: fix tests to account for new dumpe2fs output Harshad Shirwadkar

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