summaryrefslogtreecommitdiff
path: root/fs/ext4/ioctl.c
diff options
context:
space:
mode:
authorZheng Liu <wenqing.lz@taobao.com>2014-11-25 19:45:37 +0300
committerTheodore Ts'o <tytso@mit.edu>2014-11-25 19:45:37 +0300
commitedaa53cac8fd4b96ed4b8f96c4933158ff2dd337 (patch)
treef414417ca79fe9678743ea5af75bd5afb70ad8cd /fs/ext4/ioctl.c
parent2f8e0a7c6c89f850ebd5d6c0b9a08317030d1b89 (diff)
downloadlinux-edaa53cac8fd4b96ed4b8f96c4933158ff2dd337.tar.xz
ext4: change LRU to round-robin in extent status tree shrinker
In this commit we discard the lru algorithm for inodes with extent status tree because it takes significant effort to maintain a lru list in extent status tree shrinker and the shrinker can take a long time to scan this lru list in order to reclaim some objects. We replace the lru ordering with a simple round-robin. After that we never need to keep a lru list. That means that the list needn't be sorted if the shrinker can not reclaim any objects in the first round. Cc: Andreas Dilger <adilger.kernel@dilger.ca> Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ioctl.c')
-rw-r--r--fs/ext4/ioctl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index bfda18a15592..7b377c41dd81 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -78,8 +78,8 @@ static void swap_inode_data(struct inode *inode1, struct inode *inode2)
memswap(&ei1->i_disksize, &ei2->i_disksize, sizeof(ei1->i_disksize));
ext4_es_remove_extent(inode1, 0, EXT_MAX_BLOCKS);
ext4_es_remove_extent(inode2, 0, EXT_MAX_BLOCKS);
- ext4_es_lru_del(inode1);
- ext4_es_lru_del(inode2);
+ ext4_es_list_del(inode1);
+ ext4_es_list_del(inode2);
isize = i_size_read(inode1);
i_size_write(inode1, i_size_read(inode2));