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authorMiao Xie2013-01-22 10:49:00 +0000
committerJosef Bacik2013-01-24 12:51:27 -0500
commit1eafa6c73791e4f312324ddad9cbcaf6a1b6052b (patch)
tree59ffd2a324039af64354fbaaaa116c9366acba6f /drivers
parentc9f01bfe0ca411b4751d7fdbb9d602035ba52f75 (diff)
Btrfs: fix repeated delalloc work allocation
btrfs_start_delalloc_inodes() locks the delalloc_inodes list, fetches the first inode, unlocks the list, triggers btrfs_alloc_delalloc_work/ btrfs_queue_worker for this inode, and then it locks the list, checks the head of the list again. But because we don't delete the first inode that it deals with before, it will fetch the same inode. As a result, this function allocates a huge amount of btrfs_delalloc_work structures, and OOM happens. Fix this problem by splice this delalloc list. Reported-by: Alex Lyakas <alex.btrfs@zadarastorage.com> Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions