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Backport of http://review.gluster.org/9396
Problem:
When all the bricks are down at the time of mounting the volume, then mount
command hangs.
Fix:
1. Ignore all CHILD_CONNECTING events comming from subvolumes.
2. On timer expiration (without enough up or down childs) send
CHILD_DOWN.
3. Once enough up or down subvolumes are detected, send the appropriate event.
When rest of the subvols go up/down without changing the overall
ec-up/ec-down send CHILD_MODIFIED to parent subvols.
BUG: 1188471
Change-Id: If92bd84107d49495cd104deb34601afe7f9b155c
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/9551
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com>
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