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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-12-02 15:11:32 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-12-05 11:43:59 -0800 |
| commit | 204706c7accfabb67b97eef9f9a28361b6201199 (patch) | |
| tree | eeb5defa3ec3abd03c4eceb2fde04315a406dc09 /fs/f2fs/super.c | |
| parent | 0002b61bdaac732bcff364a18f5bd57c95def0a5 (diff) | |
| download | talos-obmc-linux-204706c7accfabb67b97eef9f9a28361b6201199.tar.gz talos-obmc-linux-204706c7accfabb67b97eef9f9a28361b6201199.zip | |
Revert "f2fs: use percpu_counter for # of dirty pages in inode"
This reverts commit 1beba1b3a953107c3ff5448ab4e4297db4619c76.
The perpcu_counter doesn't provide atomicity in single core and consume more
DRAM. That incurs fs_mark test failure due to ENOMEM.
Cc: stable@vger.kernel.org # 4.7+
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 2852a0b34d64..7591d2d7b612 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -571,13 +571,9 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb) init_once((void *) fi); - if (percpu_counter_init(&fi->dirty_pages, 0, GFP_NOFS)) { - kmem_cache_free(f2fs_inode_cachep, fi); - return NULL; - } - /* Initialize f2fs-specific inode info */ fi->vfs_inode.i_version = 1; + atomic_set(&fi->dirty_pages, 0); fi->i_current_depth = 1; fi->i_advise = 0; init_rwsem(&fi->i_sem); @@ -703,7 +699,6 @@ static void f2fs_i_callback(struct rcu_head *head) static void f2fs_destroy_inode(struct inode *inode) { - percpu_counter_destroy(&F2FS_I(inode)->dirty_pages); call_rcu(&inode->i_rcu, f2fs_i_callback); } |
