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(parent: 2b20982) | patch
Btrfs: do not do fast caching if we are allocating blocks for tree_root
authorJosef Bacik <josef@redhat.com>
Wed, 8 Dec 2010 14:15:11 +0000 (09:15 -0500)
committerJosef Bacik <josef@redhat.com>
Thu, 9 Dec 2010 18:57:13 +0000 (13:57 -0500)
commitb8399dee478db7939cd0d6fda8ecacddf2facd03
tree418a67d8d2de13739f3b14518917c8aaadafe3b8tree | snapshot
parent2b20982e3154266106573beac2a4d4ba57a2789acommit | diff
Btrfs: do not do fast caching if we are allocating blocks for tree_root

Since the fast caching uses normal tree locking, we can possibly deadlock if we
get to the caching via a btrfs_search_slot() on the tree_root.  So just check to
see if the root we are on is the tree root, and just don't do the fast caching.

Reported-by: Sage Weil <sage@newdream.net>
Signed-off-by: Josef Bacik <josef@redhat.com>
fs/btrfs/extent-tree.c diff | blob | history
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