Message ID | 1225997374-10846-9-git-send-email-aneesh.kumar@linux.vnet.ibm.com |
---|---|
State | Superseded, archived |
Headers | show |
I got compile error on IA64: fs/ext4/mballoc.c: In function ‘ext4_mb_add_groupinfo’: fs/ext4/mballoc.c:2482: error: implicit declaration of function ‘__init_rwsem’ Aneesh Kumar K.V wrote: > Indicate that the group locks can be taken in loop. > > Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> > Signed-off-by: "Theodore Ts'o" <tytso@mit.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 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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