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| /openbmc/linux/fs/btrfs/ |
| H A D | ioctl.c | 72fd032e Fri Oct 29 14:41:32 CDT 2010 Sage Weil <sage@newdream.net> Btrfs: add SNAP_CREATE_ASYNC ioctl
Create a snap without waiting for it to commit to disk. The ioctl is
ordered such that subsequent operations will not be contained by the
created snapshot, and the commit is initiated, but the ioctl does not
wait for the snapshot to commit to disk.
We return the specific transid to userspace so that an application can wait
for this specific snapshot creation to commit via the WAIT_SYNC ioctl.
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
72fd032e Fri Oct 29 14:41:32 CDT 2010 Sage Weil <sage@newdream.net> Btrfs: add SNAP_CREATE_ASYNC ioctl
Create a snap without waiting for it to commit to disk. The ioctl is
ordered such that subsequent operations will not be contained by the
created snapshot, and the commit is initiated, but the ioctl does not
wait for the snapshot to commit to disk.
We return the specific transid to userspace so that an application can wait
for this specific snapshot creation to commit via the WAIT_SYNC ioctl.
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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