The information about a size change in this case just creates confusion.
Signed-off-by: Christoph Hellwig
---
block/partition-generic.c | 4 ++--
fs/block_dev.c| 14 +-
include/linux/fs.h| 2 +-
3 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/block/partition-generic.c b/block/partition-generic.c
index db57cced9b98..9fe4816a1289 100644
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -518,7 +518,7 @@ int rescan_partitions(struct gendisk *disk, struct
block_device *bdev)
if (disk->fops->revalidate_disk)
disk->fops->revalidate_disk(disk);
- check_disk_size_change(disk, bdev);
+ check_disk_size_change(disk, bdev, true);
bdev->bd_invalidated = 0;
if (!get_capacity(disk) || !(state = check_partition(disk, bdev)))
return 0;
@@ -643,7 +643,7 @@ int invalidate_partitions(struct gendisk *disk, struct
block_device *bdev)
return res;
set_capacity(disk, 0);
- check_disk_size_change(disk, bdev);
+ check_disk_size_change(disk, bdev, false);
bdev->bd_invalidated = 0;
/* tell userspace that the media / partition table may have changed */
kobject_uevent(&disk_to_dev(disk)->kobj, KOBJ_CHANGE);
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 771ddfa29dc9..81c57c14fae8 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1322,21 +1322,25 @@ static void flush_disk(struct block_device *bdev, bool
kill_dirty)
* check_disk_size_change - checks for disk size change and adjusts bdev size.
* @disk: struct gendisk to check
* @bdev: struct bdev to adjust.
+ * @verbose: if %true log a message about a size change if there is any
*
* This routine checks to see if the bdev size does not match the disk size
* and adjusts it if it differs. When shrinking the bdev size, its all caches
* are freed.
*/
-void check_disk_size_change(struct gendisk *disk, struct block_device *bdev)
+void check_disk_size_change(struct gendisk *disk, struct block_device *bdev,
+ bool verbose)
{
loff_t disk_size, bdev_size;
disk_size = (loff_t)get_capacity(disk) << 9;
bdev_size = i_size_read(bdev->bd_inode);
if (disk_size != bdev_size) {
- printk(KERN_INFO
- "%s: detected capacity change from %lld to %lld\n",
- disk->disk_name, bdev_size, disk_size);
+ if (verbose) {
+ printk(KERN_INFO
+ "%s: detected capacity change from %lld to
%lld\n",
+ disk->disk_name, bdev_size, disk_size);
+ }
i_size_write(bdev->bd_inode, disk_size);
if (bdev_size > disk_size)
flush_disk(bdev, false);
@@ -1363,7 +1367,7 @@ int revalidate_disk(struct gendisk *disk)
return ret;
mutex_lock(&bdev->bd_mutex);
- check_disk_size_change(disk, bdev);
+ check_disk_size_change(disk, bdev, ret == 0);
bdev->bd_invalidated = 0;
mutex_unlock(&bdev->bd_mutex);
bdput(bdev);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 760d8da1b6c7..d8d4831af9ff 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2570,7 +2570,7 @@ extern bool is_bad_inode(struct inode *);
#ifdef CONFIG_BLOCK
extern void check_disk_size_change(struct gendisk *disk,
- struct block_device *bdev);
+ struct block_device *bdev, bool verbose);
extern int revalidate_disk(struct gendisk *);
extern int check_disk_change(struct block_device *);
extern int __invalidate_device(struct block_device *, bool);
--
2.17.0
