FREEZE_BDEV
Section: (9)
Updated: 09 October 2005
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NAME
freeze_bdev - - lock a filesystem and force it into a consistent state
SYNOPSIS
"SYNOPSIS"
struct super_block * freeze_bdev (struct block_device * bdev);
ARGUMENTS
- bdev
-
blockdevice to lock
DESCRIPTION
This takes the block device bd_mount_sem to make sure no new mounts
happen on bdev until thaw_bdev is called.
If a superblock is found on this device, we take the s_umount semaphore
on it to make sure nobody unmounts until the snapshot creation is done.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
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Time: 00:02:10 GMT, October 09, 2005