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Date: Fri, 7 Nov 2008 00:19:34 +0530 From: "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com> To: cmm@...ibm.com, tytso@....edu, sandeen@...hat.com Cc: linux-ext4@...r.kernel.org, "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com> Subject: [RFC PATCH -V3 9/9] ext4: Fix lockdep recursive locking warning Indicate that the group locks can be taken in loop. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@....edu> --- fs/ext4/mballoc.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index f58de20..34b9b7c 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2413,6 +2413,7 @@ ext4_mb_store_history(struct ext4_allocation_context *ac) #define ext4_mb_history_init(sb) #endif +static struct lock_class_key alloc_sem_key[NR_BG_LOCKS]; /* Create and initialize ext4_group_info data for the given group. */ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group, @@ -2473,7 +2474,9 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group, } INIT_LIST_HEAD(&meta_group_info[i]->bb_prealloc_list); - init_rwsem(&meta_group_info[i]->alloc_sem); + __init_rwsem(&meta_group_info[i]->alloc_sem, + "&meta_group_info[i]->alloc_sem", + &alloc_sem_key[i]); meta_group_info[i]->bb_free_root.rb_node = NULL;; #ifdef DOUBLE_CHECK -- 1.6.0.3.514.g2f91b -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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