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Qu Wenruo authored
Btrfs will send uevent to udev inform the device change, but ctime/mtime for the block device inode is not udpated, which cause libblkid used by btrfs-progs unable to detect device change and use old cache, causing 'btrfs dev scan; btrfs dev rmove; btrfs dev scan' give an error message. Reported-by:
Tsutomu Itoh <t-itoh@jp.fujitsu.com> Cc: Karel Zak <kzak@redhat.com> Signed-off-by:
Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by:
Chris Mason <clm@fb.com>
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