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Btrfs: Fix race in btrfs_mark_extent_written
authorYan, Zheng <zheng.yan@oracle.com>
Fri, 15 Jan 2010 08:43:09 +0000 (08:43 +0000)
committerChris Mason <chris.mason@oracle.com>
Mon, 18 Jan 2010 01:40:21 +0000 (20:40 -0500)
commit6c7d54ac87f338c479d9729e8392eca3f76e11e1
tree3815913df585d7cbc8ba6a4c151328daa4720c7ctree | snapshot (tar.gz zip)
parent2423fdfb96e3f9ff3baeb6c4c78d74145547891dcommit | diff
Btrfs: Fix race in btrfs_mark_extent_written

Fix bug reported by Johannes Hirte. The reason of that bug
is btrfs_del_items is called after btrfs_duplicate_item and
btrfs_del_items triggers tree balance. The fix is check that
case and call btrfs_search_slot when needed.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/file.c diff | blob | blame | history