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authorYan Zheng <zheng.yan@oracle.com>2009-07-22 10:07:05 -0400
committerChris Mason <chris.mason@oracle.com>2009-07-22 10:07:05 -0400
commit4a8c9a62d7f7f058eed4b8a6f2c890a887778093 (patch)
treed3d099197e5ddc94f737dbad273810b902b05307 /Documentation/vm/Makefile
parent33c66f430bfa3a033e70470e4c93f967156b696d (diff)
Btrfs: make sure all dirty blocks are written at commit time
Write dirty block groups may allocate new block, and so may add new delayed back ref. btrfs_run_delayed_refs may make some block groups dirty. commit_cowonly_roots does not handle the recursion properly, and some dirty blocks can be left unwritten at commit time. This patch moves btrfs_run_delayed_refs into the loop that writes dirty block groups, and makes the code not break out of the loop until there are no dirty block groups or delayed back refs. Signed-off-by: Yan Zheng <zheng.yan@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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