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Merge branch 'linus' into locking/core, to fix up conflicts

Browse source 
Conflicts:
	mm/page_alloc.c

Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ingo Molnar 2017-09-04 11:01:18 +02:00
commit edc2988c54
1536 changed files with 48802 additions and 53893 deletions
Download patch file Download diff file Expand all files Collapse all files

42
drivers/block/loop.c
View file

@ -221,8 +221,7 @@ static void __loop_update_dio(struct loop_device *lo, bool dio)
}
static int
figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit,
loff_t logical_blocksize)
figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit)
{
loff_t size = get_size(offset, sizelimit, lo->lo_backing_file);
sector_t x = (sector_t)size;
@ -234,12 +233,6 @@ figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit,
lo->lo_offset = offset;
if (lo->lo_sizelimit != sizelimit)
lo->lo_sizelimit = sizelimit;
if (lo->lo_flags & LO_FLAGS_BLOCKSIZE) {
lo->lo_logical_blocksize = logical_blocksize;
blk_queue_physical_block_size(lo->lo_queue, lo->lo_blocksize);
blk_queue_logical_block_size(lo->lo_queue,
lo->lo_logical_blocksize);
}
set_capacity(lo->lo_disk, x);
bd_set_size(bdev, (loff_t)get_capacity(bdev->bd_disk) << 9);
/* let user-space know about the new size */
@ -820,7 +813,6 @@ static void loop_config_discard(struct loop_device *lo)
struct file *file = lo->lo_backing_file;
struct inode *inode = file->f_mapping->host;
struct request_queue *q = lo->lo_queue;
int lo_bits = 9;
/*
* We use punch hole to reclaim the free space used by the
@ -840,11 +832,9 @@ static void loop_config_discard(struct loop_device *lo)
q->limits.discard_granularity = inode->i_sb->s_blocksize;
q->limits.discard_alignment = 0;
if (lo->lo_flags & LO_FLAGS_BLOCKSIZE)
lo_bits = blksize_bits(lo->lo_logical_blocksize);
blk_queue_max_discard_sectors(q, UINT_MAX >> lo_bits);
blk_queue_max_write_zeroes_sectors(q, UINT_MAX >> lo_bits);
blk_queue_max_discard_sectors(q, UINT_MAX >> 9);
blk_queue_max_write_zeroes_sectors(q, UINT_MAX >> 9);
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
}
@ -938,7 +928,6 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
lo->use_dio = false;
lo->lo_blocksize = lo_blocksize;
lo->lo_logical_blocksize = 512;
lo->lo_device = bdev;
lo->lo_flags = lo_flags;
lo->lo_backing_file = file;
@ -1104,7 +1093,6 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
int err;
struct loop_func_table *xfer;
kuid_t uid = current_uid();
int lo_flags = lo->lo_flags;
if (lo->lo_encrypt_key_size &&
!uid_eq(lo->lo_key_owner, uid) &&
@ -1137,26 +1125,9 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
if (err)
goto exit;
if (info->lo_flags & LO_FLAGS_BLOCKSIZE) {
if (!(lo->lo_flags & LO_FLAGS_BLOCKSIZE))
lo->lo_logical_blocksize = 512;
lo->lo_flags |= LO_FLAGS_BLOCKSIZE;
if (LO_INFO_BLOCKSIZE(info) != 512 &&
LO_INFO_BLOCKSIZE(info) != 1024 &&
LO_INFO_BLOCKSIZE(info) != 2048 &&
LO_INFO_BLOCKSIZE(info) != 4096)
return -EINVAL;
if (LO_INFO_BLOCKSIZE(info) > lo->lo_blocksize)
return -EINVAL;
}
if (lo->lo_offset != info->lo_offset ||
lo->lo_sizelimit != info->lo_sizelimit ||
lo->lo_flags != lo_flags ||
((lo->lo_flags & LO_FLAGS_BLOCKSIZE) &&
lo->lo_logical_blocksize != LO_INFO_BLOCKSIZE(info))) {
if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit,
LO_INFO_BLOCKSIZE(info))) {
lo->lo_sizelimit != info->lo_sizelimit) {
if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit)) {
err = -EFBIG;
goto exit;
}
@ -1348,8 +1319,7 @@ static int loop_set_capacity(struct loop_device *lo)
if (unlikely(lo->lo_state != Lo_bound))
return -ENXIO;
return figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit,
lo->lo_logical_blocksize);
return figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit);
}
static int loop_set_dio(struct loop_device *lo, unsigned long arg)

1
drivers/block/loop.h
View file

@ -49,7 +49,6 @@ struct loop_device {
struct file * lo_backing_file;
struct block_device *lo_device;
unsigned lo_blocksize;
unsigned lo_logical_blocksize;
void *key_data;
gfp_t old_gfp_mask;

16
drivers/block/virtio_blk.c
View file

@ -381,6 +381,7 @@ static void virtblk_config_changed_work(struct work_struct *work)
struct request_queue *q = vblk->disk->queue;
char cap_str_2[10], cap_str_10[10];
char *envp[] = { "RESIZE=1", NULL };
unsigned long long nblocks;
u64 capacity;
/* Host must always specify the capacity. */
@ -393,16 +394,19 @@ static void virtblk_config_changed_work(struct work_struct *work)
capacity = (sector_t)-1;
}
string_get_size(capacity, queue_logical_block_size(q),
nblocks = DIV_ROUND_UP_ULL(capacity, queue_logical_block_size(q) >> 9);
string_get_size(nblocks, queue_logical_block_size(q),
STRING_UNITS_2, cap_str_2, sizeof(cap_str_2));
string_get_size(capacity, queue_logical_block_size(q),
string_get_size(nblocks, queue_logical_block_size(q),
STRING_UNITS_10, cap_str_10, sizeof(cap_str_10));
dev_notice(&vdev->dev,
"new size: %llu %d-byte logical blocks (%s/%s)\n",
(unsigned long long)capacity,
queue_logical_block_size(q),
cap_str_10, cap_str_2);
"new size: %llu %d-byte logical blocks (%s/%s)\n",
nblocks,
queue_logical_block_size(q),
cap_str_10,
cap_str_2);
set_capacity(vblk->disk, capacity);
revalidate_disk(vblk->disk);

10
drivers/block/xen-blkback/xenbus.c
View file

@ -244,6 +244,7 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif)
{
struct pending_req *req, *n;
unsigned int j, r;
bool busy = false;
for (r = 0; r < blkif->nr_rings; r++) {
struct xen_blkif_ring *ring = &blkif->rings[r];
@ -261,8 +262,10 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif)
* don't have any discard_io or other_io requests. So, checking
* for inflight IO is enough.
*/
if (atomic_read(&ring->inflight) > 0)
return -EBUSY;
if (atomic_read(&ring->inflight) > 0) {
busy = true;
continue;
}
if (ring->irq) {
unbind_from_irqhandler(ring->irq, ring);
@ -300,6 +303,9 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif)
WARN_ON(i != (XEN_BLKIF_REQS_PER_PAGE * blkif->nr_ring_pages));
ring->active = false;
}
if (busy)
return -EBUSY;
blkif->nr_ring_pages = 0;
/*
* blkif->rings was allocated in connect_ring, so we should free it in