commit: ff2a9941ca27ab18169d17b3803aca68b154951c
From: Tejun Heo <[email protected]>
Date: Mon, 23 May 2011 13:24:54 +0200
Subject: [PATCH] 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 <[email protected]>
Reported-by: Tony Luck <[email protected]>
Tested-by: Tony Luck <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
---
fs/block_dev.c | 17 +++++++++--------
1 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 257b00e..bf9c7a7 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);
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