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| author | Theodore Ts'o <tytso@mit.edu> | 2009-01-03 20:27:38 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2009-01-03 20:27:38 -0500 |
| commit | 30773840c19cea60dcef39545960d541b1ac1cf8 (patch) | |
| tree | f220a2dce451a40dc7264e8fd70c77c5a3908873 /fs/ext4/ext4_sb.h | |
| parent | d7cfa4684d82f58e5d7cb73b8a3c88c169937f25 (diff) | |
| download | blackbird-op-linux-30773840c19cea60dcef39545960d541b1ac1cf8.tar.gz blackbird-op-linux-30773840c19cea60dcef39545960d541b1ac1cf8.zip | |
ext4: add fsync batch tuning knobs
Add new mount options, min_batch_time and max_batch_time, which
controls how long the jbd2 layer should wait for additional filesystem
operations to get batched with a synchronous write transaction.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4_sb.h')
| -rw-r--r-- | fs/ext4/ext4_sb.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h index 3db800f399a6..039b6ea1a042 100644 --- a/fs/ext4/ext4_sb.h +++ b/fs/ext4/ext4_sb.h @@ -74,6 +74,8 @@ struct ext4_sb_info { struct journal_s *s_journal; struct list_head s_orphan; unsigned long s_commit_interval; + u32 s_max_batch_time; + u32 s_min_batch_time; struct block_device *journal_bdev; #ifdef CONFIG_JBD2_DEBUG struct timer_list turn_ro_timer; /* For turning read-only (crash simulation) */ |
