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authorChris Ball <cjb@laptop.org>2009-04-27 07:29:03 -0400
committerChris Mason <chris.mason@oracle.com>2009-04-27 07:40:51 -0400
commitd6397baee468809ef311e763dfc6e9f73418f8a6 (patch)
treeb8f20c01239674eea287c1665fbf96fb92dfcb00 /fs/qnx4
parent59bc5c758ece00fb0b2a170dd8fbbf31f1856c8a (diff)
Btrfs: When shrinking, only update disk size on success
Previously, we updated a device's size prior to attempting a shrink operation. This patch moves the device resizing logic to only happen if the shrink completes successfully. In the process, it introduces a new field to btrfs_device -- disk_total_bytes -- to track the on-disk size. Signed-off-by: Chris Ball <cjb@laptop.org> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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