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| author | Theodore Ts'o <tytso@mit.edu> | 2009-01-06 04:46:26 +0100 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2009-01-06 04:46:26 +0100 |
| commit | b3881f74b31b7d47d0f1c4d89ac3e7f0b9c05e3e (patch) | |
| tree | 131190b7ec627fd2ef2ecc818a7b9c17b83ccd63 /Documentation | |
| parent | jbd2: Submit writes to the journal using WRITE_SYNC (diff) | |
| download | linux-b3881f74b31b7d47d0f1c4d89ac3e7f0b9c05e3e.tar.xz linux-b3881f74b31b7d47d0f1c4d89ac3e7f0b9c05e3e.zip | |
ext4: Add mount option to set kjournald's I/O priority
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/filesystems/ext4.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index 9ec29d86ff8b..8938949b201e 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -308,6 +308,13 @@ min_batch_time=usec This parameter sets the commit time (as multi-threaded, synchronous workloads on very fast disks, at the cost of increasing latency. +journal_ioprio=prio The I/O priority (from 0 to 7, where 0 is the + highest priorty) which should be used for I/O + operations submitted by kjournald2 during a + commit operation. This defaults to 3, which is + a slightly higher priority than the default I/O + priority. + Data Mode ========= There are 3 different data modes: |