Hi Michel,
FYI, kernel build failed on
tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm
head: b97e42d4aec6640aeb2a0347d9d40d12db17ded9
commit: f7d8d6b34e1d98650967ef035824beabec51019d [140/423] mm: replace vma prio_tree with an interval tree
config: x86_64-allmodconfig
All error/warnings:
fs/block_dev.c: In function 'set_blocksize':
fs/block_dev.c:135:2: error: implicit declaration of function 'prio_tree_empty' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
vim +135 fs/block_dev.c
b87570f5 (Mikulas Patocka 2012-09-26 129) /* Prevent starting I/O or mapping the device */
62ac665f (Mikulas Patocka 2012-09-26 130) percpu_down_write(&bdev->bd_block_size_semaphore);
b87570f5 (Mikulas Patocka 2012-09-26 131)
b87570f5 (Mikulas Patocka 2012-09-26 132) /* Check that the block device is not memory mapped */
b87570f5 (Mikulas Patocka 2012-09-26 133) mapping = bdev->bd_inode->i_mapping;
b87570f5 (Mikulas Patocka 2012-09-26 134) mutex_lock(&mapping->i_mmap_mutex);
b87570f5 (Mikulas Patocka 2012-09-26 @135) if (!prio_tree_empty(&mapping->i_mmap) ||
b87570f5 (Mikulas Patocka 2012-09-26 136) !list_empty(&mapping->i_mmap_nonlinear)) {
b87570f5 (Mikulas Patocka 2012-09-26 137) mutex_unlock(&mapping->i_mmap_mutex);
62ac665f (Mikulas Patocka 2012-09-26 138) percpu_up_write(&bdev->bd_block_size_semaphore);
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu, Yuanhan Liu Intel Corporation
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