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authorTejun Heo <tj@kernel.org>2011-05-23 13:26:07 +0200
committerJens Axboe <jaxboe@fusionio.com>2011-05-23 13:26:07 +0200
commit7e69723fef8771a9d57bd27d36281d756130b4b5 (patch)
tree0b43d02f5c2eccb932564ed7c3999eb4e649b066 /fs/block_dev.c
parent95cf3dd9dbe6883a0328724e2110e3fc6465630b (diff)
downloadlinux-7e69723fef8771a9d57bd27d36281d756130b4b5.tar.bz2
block: move bd_set_size() above rescan_partitions() in __blkdev_get()
02e352287a4 (block: rescan partitions on invalidated devices on -ENOMEDIA too) relocated partition rescan above explicit bd_set_size() to simplify condition check. As rescan_partitions() does its own bdev size setting, this doesn't break anything; however, rescan_partitions() prints out the following messages when adjusting bdev size, which can be confusing. sda: detected capacity change from 0 to 146815737856 sdb: detected capacity change from 0 to 146815737856 This patch restores the original order and remove the warning messages. stable: Please apply together with 02e352287a4 (block: rescan partitions on invalidated devices on -ENOMEDIA too). Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Tony Luck <tony.luck@gmail.com> Tested-by: Tony Luck <tony.luck@gmail.com> Cc: stable@kernel.org Stable note: 2.6.39 only. Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'fs/block_dev.c')
-rw-r--r--fs/block_dev.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index d7c2e0fddc6f..1f2b19978333 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1120,6 +1120,15 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
goto restart;
}
}
+
+ if (!ret && !bdev->bd_openers) {
+ bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);
+ bdi = blk_get_backing_dev_info(bdev);
+ if (bdi == NULL)
+ bdi = &default_backing_dev_info;
+ bdev_inode_switch_bdi(bdev->bd_inode, bdi);
+ }
+
/*
* If the device is invalidated, rescan partition
* if open succeeded or failed with -ENOMEDIUM.
@@ -1130,14 +1139,6 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
rescan_partitions(disk, bdev);
if (ret)
goto out_clear;
-
- if (!bdev->bd_openers) {
- bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);
- bdi = blk_get_backing_dev_info(bdev);
- if (bdi == NULL)
- bdi = &default_backing_dev_info;
- bdev_inode_switch_bdi(bdev->bd_inode, bdi);
- }
} else {
struct block_device *whole;
whole = bdget_disk(disk, 0);