diff options
Diffstat (limited to 'fs/hugetlbfs/inode.c')
| -rw-r--r-- | fs/hugetlbfs/inode.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 1e2872b25343..5eba47f593f8 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -412,10 +412,10 @@ static int hugetlb_vmtruncate(struct inode *inode, loff_t offset) pgoff = offset >> PAGE_SHIFT; i_size_write(inode, offset); - mutex_lock(&mapping->i_mmap_mutex); + i_mmap_lock_write(mapping); if (!RB_EMPTY_ROOT(&mapping->i_mmap)) hugetlb_vmtruncate_list(&mapping->i_mmap, pgoff); - mutex_unlock(&mapping->i_mmap_mutex); + i_mmap_unlock_write(mapping); truncate_hugepages(inode, offset); return 0; } @@ -472,12 +472,12 @@ static struct inode *hugetlbfs_get_root(struct super_block *sb, } /* - * Hugetlbfs is not reclaimable; therefore its i_mmap_mutex will never + * Hugetlbfs is not reclaimable; therefore its i_mmap_rwsem will never * be taken from reclaim -- unlike regular filesystems. This needs an * annotation because huge_pmd_share() does an allocation under - * i_mmap_mutex. + * i_mmap_rwsem. */ -static struct lock_class_key hugetlbfs_i_mmap_mutex_key; +static struct lock_class_key hugetlbfs_i_mmap_rwsem_key; static struct inode *hugetlbfs_get_inode(struct super_block *sb, struct inode *dir, @@ -495,8 +495,8 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, struct hugetlbfs_inode_info *info; inode->i_ino = get_next_ino(); inode_init_owner(inode, dir, mode); - lockdep_set_class(&inode->i_mapping->i_mmap_mutex, - &hugetlbfs_i_mmap_mutex_key); + lockdep_set_class(&inode->i_mapping->i_mmap_rwsem, + &hugetlbfs_i_mmap_rwsem_key); inode->i_mapping->a_ops = &hugetlbfs_aops; inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; |