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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2009-02-14 10:31:16 -0500
committerTheodore Ts'o <tytso@mit.edu>2009-02-14 10:31:16 -0500
commitd794bf8e0936dce45104565cd48c571061f4c1e3 (patch)
treead23776b739eb551b520865e837a106a7b628819 /fs/ext4/mballoc.c
parentba4439165f0f0d25b2fe065cf0c1ff8130b802eb (diff)
ext4: Initialize preallocation list_head's properly
When creating a new ext4_prealloc_space structure, we have to initialize its list_head pointers before we add them to any prealloc lists. Otherwise, with list debug enabled, we will get list corruption warnings. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r--fs/ext4/mballoc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index c962d0690505..4415beeb0b62 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3693,6 +3693,8 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
3693 pa->pa_free = pa->pa_len; 3693 pa->pa_free = pa->pa_len;
3694 atomic_set(&pa->pa_count, 1); 3694 atomic_set(&pa->pa_count, 1);
3695 spin_lock_init(&pa->pa_lock); 3695 spin_lock_init(&pa->pa_lock);
3696 INIT_LIST_HEAD(&pa->pa_inode_list);
3697 INIT_LIST_HEAD(&pa->pa_group_list);
3696 pa->pa_deleted = 0; 3698 pa->pa_deleted = 0;
3697 pa->pa_linear = 0; 3699 pa->pa_linear = 0;
3698 3700
@@ -3755,6 +3757,7 @@ ext4_mb_new_group_pa(struct ext4_allocation_context *ac)
3755 atomic_set(&pa->pa_count, 1); 3757 atomic_set(&pa->pa_count, 1);
3756 spin_lock_init(&pa->pa_lock); 3758 spin_lock_init(&pa->pa_lock);
3757 INIT_LIST_HEAD(&pa->pa_inode_list); 3759 INIT_LIST_HEAD(&pa->pa_inode_list);
3760 INIT_LIST_HEAD(&pa->pa_group_list);
3758 pa->pa_deleted = 0; 3761 pa->pa_deleted = 0;
3759 pa->pa_linear = 1; 3762 pa->pa_linear = 1;
3760 3763