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authorNiu Yawei <yawei.niu@gmail.com>2014-06-04 08:23:19 +0400
committerJan Kara <jack@suse.cz>2014-07-16 00:40:22 +0400
commitb9ba6f94b2382ef832f97122976b73004f714714 (patch)
tree29bab149a28538c9a7f97aae52a78aec0c2ee3b5 /fs/super.c
parent9eb6463f31cf720deaf0e810cacc403d7720b10c (diff)
downloadlinux-b9ba6f94b2382ef832f97122976b73004f714714.tar.xz
quota: remove dqptr_sem
Remove dqptr_sem to make quota code scalable: Remove the dqptr_sem, accessing inode->i_dquot now protected by dquot_srcu, and changing inode->i_dquot is now serialized by dq_data_lock. Signed-off-by: Lai Siyao <lai.siyao@intel.com> Signed-off-by: Niu Yawei <yawei.niu@intel.com> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/super.c')
-rw-r--r--fs/super.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/super.c b/fs/super.c
index d20d5b11dedf..872b26bf06dd 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -218,7 +218,6 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags)
lockdep_set_class(&s->s_vfs_rename_mutex, &type->s_vfs_rename_key);
mutex_init(&s->s_dquot.dqio_mutex);
mutex_init(&s->s_dquot.dqonoff_mutex);
- init_rwsem(&s->s_dquot.dqptr_sem);
s->s_maxbytes = MAX_NON_LFS;
s->s_op = &default_op;
s->s_time_gran = 1000000000;