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When sa_bulk_lookup() fails, unlock_new_inode() will spit out a WARNING. It will also recursive deadlock on ZFS_OBJ_HOLD_ENTER in zfs_zinactive(). Since we never call insert_inode_locked in fail path, I_NEW is never set, the inode is never hashed. So unlock_new_inode() can be safely remove it. We set z_sa_hdl to NULL in fail path so that iput path will stop at zfs_inactive() without entering zfs_zinactive(). This way we can avoid the deadlock and prevent double sa_handle_destroy(). Signed-off-by: Chunwei Chen <david.chen@osnexus.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Issue #3899 |
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