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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2008-10-10 15:39:00 +0200 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2008-10-10 15:39:00 +0200 |
| commit | 6bc6e63fcd7dac9e633ea29f1fddd9580ab28f3f (patch) | |
| tree | 144d53023af5faeb94b9b3aa28e186a33e6c5b98 /fs/ext4/ext4_sb.h | |
| parent | ext4: Retry block reservation (diff) | |
| download | linux-6bc6e63fcd7dac9e633ea29f1fddd9580ab28f3f.tar.xz linux-6bc6e63fcd7dac9e633ea29f1fddd9580ab28f3f.zip | |
ext4: Add percpu dirty block accounting.
This patch adds dirty block accounting using percpu_counters. Delayed
allocation block reservation is now done by updating dirty block
counter. In a later patch we switch to non delalloc mode if the
filesystem free blocks is greater than 150% of total filesystem dirty
blocks
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Mingming Cao<cmm@us.ibm.com>
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 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h index 69810a252539..a5577e0ccd3b 100644 --- a/fs/ext4/ext4_sb.h +++ b/fs/ext4/ext4_sb.h @@ -59,6 +59,7 @@ struct ext4_sb_info { struct percpu_counter s_freeblocks_counter; struct percpu_counter s_freeinodes_counter; struct percpu_counter s_dirs_counter; + struct percpu_counter s_dirtyblocks_counter; struct blockgroup_lock s_blockgroup_lock; /* root of the per fs reservation window tree */ |